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Finding the Fourth Proportional to 125,251.61, 187,778.58 and 62,093.48

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Solution

The fourth proportional to 125,251.61, 187,778.58 and 62,093.48 is: 93,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.61 : 187,778.58 = 62,093.48 : x
  2. Step 2: Convert to fraction form
    125,251.61/187,778.58 = 62,093.48/x
  3. Step 3: Cross multiply
    125,251.61x = 187,778.58 × 62,093.48
  4. Step 4: Simplify right side
    125,251.61x = 11,659,824,562.77
  5. Step 5: Solve for x
    x = 11,659,824,562.77/125,251.61
  6. Step 6: Final answer
    x = 93,091.22

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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.