Home / 125,144.22-187,714.76-30,375.20

Finding the Fourth Proportional to 125,144.22, 187,714.76 and 30,375.20

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Solution

The fourth proportional to 125,144.22, 187,714.76 and 30,375.20 is: 45,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,144.22 : 187,714.76 = 30,375.20 : x
  2. Step 2: Convert to fraction form
    125,144.22/187,714.76 = 30,375.20/x
  3. Step 3: Cross multiply
    125,144.22x = 187,714.76 × 30,375.20
  4. Step 4: Simplify right side
    125,144.22x = 5,701,872,287.50
  5. Step 5: Solve for x
    x = 5,701,872,287.50/125,144.22
  6. Step 6: Final answer
    x = 45,562.41

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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.