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Finding the Fourth Proportional to 502,113.48, 753,169.59 and 128,136.48

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Solution

The fourth proportional to 502,113.48, 753,169.59 and 128,136.48 is: 192,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,113.48 : 753,169.59 = 128,136.48 : x
  2. Step 2: Convert to fraction form
    502,113.48/753,169.59 = 128,136.48/x
  3. Step 3: Cross multiply
    502,113.48x = 753,169.59 × 128,136.48
  4. Step 4: Simplify right side
    502,113.48x = 96,508,500,105.64
  5. Step 5: Solve for x
    x = 96,508,500,105.64/502,113.48
  6. Step 6: Final answer
    x = 192,204.56

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