Home / 217,785.85-326,524.33-84,553.81

Finding the Fourth Proportional to 217,785.85, 326,524.33 and 84,553.81

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Solution

The fourth proportional to 217,785.85, 326,524.33 and 84,553.81 is: 126,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,785.85 : 326,524.33 = 84,553.81 : x
  2. Step 2: Convert to fraction form
    217,785.85/326,524.33 = 84,553.81/x
  3. Step 3: Cross multiply
    217,785.85x = 326,524.33 × 84,553.81
  4. Step 4: Simplify right side
    217,785.85x = 27,608,876,159.20
  5. Step 5: Solve for x
    x = 27,608,876,159.20/217,785.85
  6. Step 6: Final answer
    x = 126,770.75

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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.