Home / 125,314.30-187,961.49-50,381.62

Finding the Fourth Proportional to 125,314.30, 187,961.49 and 50,381.62

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Solution

The fourth proportional to 125,314.30, 187,961.49 and 50,381.62 is: 75,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,314.30 : 187,961.49 = 50,381.62 : x
  2. Step 2: Convert to fraction form
    125,314.30/187,961.49 = 50,381.62/x
  3. Step 3: Cross multiply
    125,314.30x = 187,961.49 × 50,381.62
  4. Step 4: Simplify right side
    125,314.30x = 9,469,804,363.81
  5. Step 5: Solve for x
    x = 9,469,804,363.81/125,314.30
  6. Step 6: Final answer
    x = 75,568.43

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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.