Home / 123,331.56-170,198.04-66,742.92

Finding the Fourth Proportional to 123,331.56, 170,198.04 and 66,742.92

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Solution

The fourth proportional to 123,331.56, 170,198.04 and 66,742.92 is: 92,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,331.56 : 170,198.04 = 66,742.92 : x
  2. Step 2: Convert to fraction form
    123,331.56/170,198.04 = 66,742.92/x
  3. Step 3: Cross multiply
    123,331.56x = 170,198.04 × 66,742.92
  4. Step 4: Simplify right side
    123,331.56x = 11,359,514,167.88
  5. Step 5: Solve for x
    x = 11,359,514,167.88/123,331.56
  6. Step 6: Final answer
    x = 92,105.49

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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.