Home / 187,836.87-281,781.84-61,487.38

Finding the Fourth Proportional to 187,836.87, 281,781.84 and 61,487.38

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Solution

The fourth proportional to 187,836.87, 281,781.84 and 61,487.38 is: 92,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,836.87 : 281,781.84 = 61,487.38 : x
  2. Step 2: Convert to fraction form
    187,836.87/281,781.84 = 61,487.38/x
  3. Step 3: Cross multiply
    187,836.87x = 281,781.84 × 61,487.38
  4. Step 4: Simplify right side
    187,836.87x = 17,326,026,517.61
  5. Step 5: Solve for x
    x = 17,326,026,517.61/187,836.87
  6. Step 6: Final answer
    x = 92,239.75

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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.