Home / 126,475.83-189,721.17-47,590.74

Finding the Fourth Proportional to 126,475.83, 189,721.17 and 47,590.74

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Solution

The fourth proportional to 126,475.83, 189,721.17 and 47,590.74 is: 71,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,475.83 : 189,721.17 = 47,590.74 : x
  2. Step 2: Convert to fraction form
    126,475.83/189,721.17 = 47,590.74/x
  3. Step 3: Cross multiply
    126,475.83x = 189,721.17 × 47,590.74
  4. Step 4: Simplify right side
    126,475.83x = 9,028,970,873.97
  5. Step 5: Solve for x
    x = 9,028,970,873.97/126,475.83
  6. Step 6: Final answer
    x = 71,388.90

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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.