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Finding the Fourth Proportional to 128,176.97, 192,265.47 and 83,841.02

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Solution

The fourth proportional to 128,176.97, 192,265.47 and 83,841.02 is: 125,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,176.97 : 192,265.47 = 83,841.02 : x
  2. Step 2: Convert to fraction form
    128,176.97/192,265.47 = 83,841.02/x
  3. Step 3: Cross multiply
    128,176.97x = 192,265.47 × 83,841.02
  4. Step 4: Simplify right side
    128,176.97x = 16,119,732,154.25
  5. Step 5: Solve for x
    x = 16,119,732,154.25/128,176.97
  6. Step 6: Final answer
    x = 125,761.53

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