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Finding the Fourth Proportional to 181,300.38, 271,909.56 and 68,940.53

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Solution

The fourth proportional to 181,300.38, 271,909.56 and 68,940.53 is: 103,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,300.38 : 271,909.56 = 68,940.53 : x
  2. Step 2: Convert to fraction form
    181,300.38/271,909.56 = 68,940.53/x
  3. Step 3: Cross multiply
    181,300.38x = 271,909.56 × 68,940.53
  4. Step 4: Simplify right side
    181,300.38x = 18,745,587,818.92
  5. Step 5: Solve for x
    x = 18,745,587,818.92/181,300.38
  6. Step 6: Final answer
    x = 103,395.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.