Home / 126,350.28-189,545.94-47,470.86

Finding the Fourth Proportional to 126,350.28, 189,545.94 and 47,470.86

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Solution

The fourth proportional to 126,350.28, 189,545.94 and 47,470.86 is: 71,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,350.28 : 189,545.94 = 47,470.86 : x
  2. Step 2: Convert to fraction form
    126,350.28/189,545.94 = 47,470.86/x
  3. Step 3: Cross multiply
    126,350.28x = 189,545.94 × 47,470.86
  4. Step 4: Simplify right side
    126,350.28x = 8,997,908,781.31
  5. Step 5: Solve for x
    x = 8,997,908,781.31/126,350.28
  6. Step 6: Final answer
    x = 71,214.00

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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.