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Finding the Fourth Proportional to 502,019.52, 753,029.27 and 128,042.52

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Solution

The fourth proportional to 502,019.52, 753,029.27 and 128,042.52 is: 192,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,019.52 : 753,029.27 = 128,042.52 : x
  2. Step 2: Convert to fraction form
    502,019.52/753,029.27 = 128,042.52/x
  3. Step 3: Cross multiply
    502,019.52x = 753,029.27 × 128,042.52
  4. Step 4: Simplify right side
    502,019.52x = 96,419,761,919.52
  5. Step 5: Solve for x
    x = 96,419,761,919.52/502,019.52
  6. Step 6: Final answer
    x = 192,063.77

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