Home / 84,229.80-126,235.44-34,251.72

Finding the Fourth Proportional to 84,229.80, 126,235.44 and 34,251.72

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Solution

The fourth proportional to 84,229.80, 126,235.44 and 34,251.72 is: 51,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,229.80 : 126,235.44 = 34,251.72 : x
  2. Step 2: Convert to fraction form
    84,229.80/126,235.44 = 34,251.72/x
  3. Step 3: Cross multiply
    84,229.80x = 126,235.44 × 34,251.72
  4. Step 4: Simplify right side
    84,229.80x = 4,323,780,944.96
  5. Step 5: Solve for x
    x = 4,323,780,944.96/84,229.80
  6. Step 6: Final answer
    x = 51,333.15

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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.