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Finding the Fourth Proportional to 129,918.85, 179,286.65 and 73,332.61

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Solution

The fourth proportional to 129,918.85, 179,286.65 and 73,332.61 is: 101,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,918.85 : 179,286.65 = 73,332.61 : x
  2. Step 2: Convert to fraction form
    129,918.85/179,286.65 = 73,332.61/x
  3. Step 3: Cross multiply
    129,918.85x = 179,286.65 × 73,332.61
  4. Step 4: Simplify right side
    129,918.85x = 13,147,557,269.55
  5. Step 5: Solve for x
    x = 13,147,557,269.55/129,918.85
  6. Step 6: Final answer
    x = 101,198.23

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