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Finding the Fourth Proportional to 125,064.48, 187,629.84 and 36,326.28

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Solution

The fourth proportional to 125,064.48, 187,629.84 and 36,326.28 is: 54,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.48 : 187,629.84 = 36,326.28 : x
  2. Step 2: Convert to fraction form
    125,064.48/187,629.84 = 36,326.28/x
  3. Step 3: Cross multiply
    125,064.48x = 187,629.84 × 36,326.28
  4. Step 4: Simplify right side
    125,064.48x = 6,815,894,104.20
  5. Step 5: Solve for x
    x = 6,815,894,104.20/125,064.48
  6. Step 6: Final answer
    x = 54,499.04

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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.