Home / 84,234.22-126,381.40-36,182.64

Finding the Fourth Proportional to 84,234.22, 126,381.40 and 36,182.64

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Solution

The fourth proportional to 84,234.22, 126,381.40 and 36,182.64 is: 54,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234.22 : 126,381.40 = 36,182.64 : x
  2. Step 2: Convert to fraction form
    84,234.22/126,381.40 = 36,182.64/x
  3. Step 3: Cross multiply
    84,234.22x = 126,381.40 × 36,182.64
  4. Step 4: Simplify right side
    84,234.22x = 4,572,812,608.44
  5. Step 5: Solve for x
    x = 4,572,812,608.44/84,234.22
  6. Step 6: Final answer
    x = 54,286.88

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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.