Answer :

125% of x =137,5

125/100 * x= 137.5

5/4 *x=137,5

5x/4= 137,5

x=4*137,5/5

x=4*27,5

x=110
125% = 1.25

x * 1.25 = 137.5

x = 110

137.5 is 125% of 110