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Finding the Fourth Proportional to 125,279.31, 187,950.32 and 36,532.82

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Solution

The fourth proportional to 125,279.31, 187,950.32 and 36,532.82 is: 54,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,279.31 : 187,950.32 = 36,532.82 : x
  2. Step 2: Convert to fraction form
    125,279.31/187,950.32 = 36,532.82/x
  3. Step 3: Cross multiply
    125,279.31x = 187,950.32 × 36,532.82
  4. Step 4: Simplify right side
    125,279.31x = 6,866,356,191.62
  5. Step 5: Solve for x
    x = 6,866,356,191.62/125,279.31
  6. Step 6: Final answer
    x = 54,808.38

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1.5x scale

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.