Home / 82,169.64-123,198.84-32,218.56

Finding the Fourth Proportional to 82,169.64, 123,198.84 and 32,218.56

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Solution

The fourth proportional to 82,169.64, 123,198.84 and 32,218.56 is: 48,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,169.64 : 123,198.84 = 32,218.56 : x
  2. Step 2: Convert to fraction form
    82,169.64/123,198.84 = 32,218.56/x
  3. Step 3: Cross multiply
    82,169.64x = 123,198.84 × 32,218.56
  4. Step 4: Simplify right side
    82,169.64x = 3,969,289,218.47
  5. Step 5: Solve for x
    x = 3,969,289,218.47/82,169.64
  6. Step 6: Final answer
    x = 48,306.03

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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.