Home / 123,508.44-170,442.24-66,919.92

Finding the Fourth Proportional to 123,508.44, 170,442.24 and 66,919.92

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Solution

The fourth proportional to 123,508.44, 170,442.24 and 66,919.92 is: 92,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,508.44 : 170,442.24 = 66,919.92 : x
  2. Step 2: Convert to fraction form
    123,508.44/170,442.24 = 66,919.92/x
  3. Step 3: Cross multiply
    123,508.44x = 170,442.24 × 66,919.92
  4. Step 4: Simplify right side
    123,508.44x = 11,405,981,065.42
  5. Step 5: Solve for x
    x = 11,405,981,065.42/123,508.44
  6. Step 6: Final answer
    x = 92,349.81

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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.