Home / 204,100.12-281,663.94-123,542.20

Finding the Fourth Proportional to 204,100.12, 281,663.94 and 123,542.20

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Solution

The fourth proportional to 204,100.12, 281,663.94 and 123,542.20 is: 170,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,100.12 : 281,663.94 = 123,542.20 : x
  2. Step 2: Convert to fraction form
    204,100.12/281,663.94 = 123,542.20/x
  3. Step 3: Cross multiply
    204,100.12x = 281,663.94 × 123,542.20
  4. Step 4: Simplify right side
    204,100.12x = 34,797,382,808.27
  5. Step 5: Solve for x
    x = 34,797,382,808.27/204,100.12
  6. Step 6: Final answer
    x = 170,491.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.