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Finding the Fourth Proportional to 129,906.24, 194,868.16 and 45,656.16

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Solution

The fourth proportional to 129,906.24, 194,868.16 and 45,656.16 is: 68,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,906.24 : 194,868.16 = 45,656.16 : x
  2. Step 2: Convert to fraction form
    129,906.24/194,868.16 = 45,656.16/x
  3. Step 3: Cross multiply
    129,906.24x = 194,868.16 × 45,656.16
  4. Step 4: Simplify right side
    129,906.24x = 8,896,931,891.87
  5. Step 5: Solve for x
    x = 8,896,931,891.87/129,906.24
  6. Step 6: Final answer
    x = 68,487.33

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