Home / 126,358.20-189,449.51-47,451.24

Finding the Fourth Proportional to 126,358.20, 189,449.51 and 47,451.24

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Solution

The fourth proportional to 126,358.20, 189,449.51 and 47,451.24 is: 71,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.20 : 189,449.51 = 47,451.24 : x
  2. Step 2: Convert to fraction form
    126,358.20/189,449.51 = 47,451.24/x
  3. Step 3: Cross multiply
    126,358.20x = 189,449.51 × 47,451.24
  4. Step 4: Simplify right side
    126,358.20x = 8,989,613,929.64
  5. Step 5: Solve for x
    x = 8,989,613,929.64/126,358.20
  6. Step 6: Final answer
    x = 71,143.89

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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.