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Finding the Fourth Proportional to 137,592, 206,397.72 and 54,486

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Solution

The fourth proportional to 137,592, 206,397.72 and 54,486 is: 81,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,592 : 206,397.72 = 54,486 : x
  2. Step 2: Convert to fraction form
    137,592/206,397.72 = 54,486/x
  3. Step 3: Cross multiply
    137,592x = 206,397.72 × 54,486
  4. Step 4: Simplify right side
    137,592x = 11,245,786,171.92
  5. Step 5: Solve for x
    x = 11,245,786,171.92/137,592
  6. Step 6: Final answer
    x = 81,732.85

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