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Finding the Fourth Proportional to 83,961.52, 125,287.38 and 76,509.52

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Solution

The fourth proportional to 83,961.52, 125,287.38 and 76,509.52 is: 114,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,961.52 : 125,287.38 = 76,509.52 : x
  2. Step 2: Convert to fraction form
    83,961.52/125,287.38 = 76,509.52/x
  3. Step 3: Cross multiply
    83,961.52x = 125,287.38 × 76,509.52
  4. Step 4: Simplify right side
    83,961.52x = 9,585,677,305.86
  5. Step 5: Solve for x
    x = 9,585,677,305.86/83,961.52
  6. Step 6: Final answer
    x = 114,167.51

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