Finding the Fourth Proportional to 100.64, 151.00 and 70.25

Step by Step Solution

1. Step 1: Write the proportion equation
   100.64 : 151.00 = 70.25 : x
2. Step 2: Convert to fraction form
   100.64/151.00 = 70.25/x
3. Step 3: Cross multiply
   100.64x = 151.00 × 70.25
4. Step 4: Simplify right side
   100.64x = 10,606.82
5. Step 5: Solve for x
   x = 10,606.82/100.64
6. Step 6: Final answer
   x = 105.39