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Finding the Fourth Proportional to 125,843.20, 188,793.99 and 41,598.25

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Solution

The fourth proportional to 125,843.20, 188,793.99 and 41,598.25 is: 62,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,843.20 : 188,793.99 = 41,598.25 : x
  2. Step 2: Convert to fraction form
    125,843.20/188,793.99 = 41,598.25/x
  3. Step 3: Cross multiply
    125,843.20x = 188,793.99 × 41,598.25
  4. Step 4: Simplify right side
    125,843.20x = 7,853,499,122.53
  5. Step 5: Solve for x
    x = 7,853,499,122.53/125,843.20
  6. Step 6: Final answer
    x = 62,407.02

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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.