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Finding the Fourth Proportional to 125,654.82, 188,452.98 and 36,884.46

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Solution

The fourth proportional to 125,654.82, 188,452.98 and 36,884.46 is: 55,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,654.82 : 188,452.98 = 36,884.46 : x
  2. Step 2: Convert to fraction form
    125,654.82/188,452.98 = 36,884.46/x
  3. Step 3: Cross multiply
    125,654.82x = 188,452.98 × 36,884.46
  4. Step 4: Simplify right side
    125,654.82x = 6,950,986,402.69
  5. Step 5: Solve for x
    x = 6,950,986,402.69/125,654.82
  6. Step 6: Final answer
    x = 55,318.10

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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.