Home / 84,331.94-126,454.92-28,151.85

Finding the Fourth Proportional to 84,331.94, 126,454.92 and 28,151.85

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Solution

The fourth proportional to 84,331.94, 126,454.92 and 28,151.85 is: 42,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,331.94 : 126,454.92 = 28,151.85 : x
  2. Step 2: Convert to fraction form
    84,331.94/126,454.92 = 28,151.85/x
  3. Step 3: Cross multiply
    84,331.94x = 126,454.92 × 28,151.85
  4. Step 4: Simplify right side
    84,331.94x = 3,559,940,466.59
  5. Step 5: Solve for x
    x = 3,559,940,466.59/84,331.94
  6. Step 6: Final answer
    x = 42,213.43

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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.