Home / 125,285.30-187,909.72-36,514.96

Finding the Fourth Proportional to 125,285.30, 187,909.72 and 36,514.96

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Solution

The fourth proportional to 125,285.30, 187,909.72 and 36,514.96 is: 54,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,285.30 : 187,909.72 = 36,514.96 : x
  2. Step 2: Convert to fraction form
    125,285.30/187,909.72 = 36,514.96/x
  3. Step 3: Cross multiply
    125,285.30x = 187,909.72 × 36,514.96
  4. Step 4: Simplify right side
    125,285.30x = 6,861,515,909.41
  5. Step 5: Solve for x
    x = 6,861,515,909.41/125,285.30
  6. Step 6: Final answer
    x = 54,767.13

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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.