Home / 126,318.24-189,423.28-47,377.76

Finding the Fourth Proportional to 126,318.24, 189,423.28 and 47,377.76

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Solution

The fourth proportional to 126,318.24, 189,423.28 and 47,377.76 is: 71,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,318.24 : 189,423.28 = 47,377.76 : x
  2. Step 2: Convert to fraction form
    126,318.24/189,423.28 = 47,377.76/x
  3. Step 3: Cross multiply
    126,318.24x = 189,423.28 × 47,377.76
  4. Step 4: Simplify right side
    126,318.24x = 8,974,450,698.25
  5. Step 5: Solve for x
    x = 8,974,450,698.25/126,318.24
  6. Step 6: Final answer
    x = 71,046.36

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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.