Home / 215,441.81-322,996.19-108,770.85

Finding the Fourth Proportional to 215,441.81, 322,996.19 and 108,770.85

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Solution

The fourth proportional to 215,441.81, 322,996.19 and 108,770.85 is: 163,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,441.81 : 322,996.19 = 108,770.85 : x
  2. Step 2: Convert to fraction form
    215,441.81/322,996.19 = 108,770.85/x
  3. Step 3: Cross multiply
    215,441.81x = 322,996.19 × 108,770.85
  4. Step 4: Simplify right side
    215,441.81x = 35,132,569,589.21
  5. Step 5: Solve for x
    x = 35,132,569,589.21/215,441.81
  6. Step 6: Final answer
    x = 163,072.20

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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.