127.5 is what percent of 161.7 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 161.7 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 161.7, so we can write it down as 100%=161.7.
4. We know, that x% equals 127.5 of the output value, so we can write it down as x%=127.5.
5. Now we have two simple equations:
1) 100%=161.7
2) x%=127.5
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=161.7/127.5
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 127.5 is what percent of 161.7

100%/x%=161.7/127.5
(100/x)*x=(161.7/127.5)*x       - we multiply both sides of the equation by x
100=1.2682352941176*x       - we divide both sides of the equation by (1.2682352941176) to get x
100/1.2682352941176=x
78.849721706865=x
x=78.849721706865

now we have:
127.5 is 78.849721706865% of 161.7