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Finding the Fourth Proportional to 187,793.73, 281,700.86 and 47,553.57

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Solution

The fourth proportional to 187,793.73, 281,700.86 and 47,553.57 is: 71,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,793.73 : 281,700.86 = 47,553.57 : x
  2. Step 2: Convert to fraction form
    187,793.73/281,700.86 = 47,553.57/x
  3. Step 3: Cross multiply
    187,793.73x = 281,700.86 × 47,553.57
  4. Step 4: Simplify right side
    187,793.73x = 13,395,881,327.30
  5. Step 5: Solve for x
    x = 13,395,881,327.30/187,793.73
  6. Step 6: Final answer
    x = 71,332.95

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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.