Home / 126,359.20-189,451-47,452.24

Finding the Fourth Proportional to 126,359.20, 189,451 and 47,452.24

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Solution

The fourth proportional to 126,359.20, 189,451 and 47,452.24 is: 71,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,359.20 : 189,451 = 47,452.24 : x
  2. Step 2: Convert to fraction form
    126,359.20/189,451 = 47,452.24/x
  3. Step 3: Cross multiply
    126,359.20x = 189,451 × 47,452.24
  4. Step 4: Simplify right side
    126,359.20x = 8,989,874,320.24
  5. Step 5: Solve for x
    x = 8,989,874,320.24/126,359.20
  6. Step 6: Final answer
    x = 71,145.39

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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.