Home / 123,739.87-170,761.01-67,151.24

Finding the Fourth Proportional to 123,739.87, 170,761.01 and 67,151.24

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Solution

The fourth proportional to 123,739.87, 170,761.01 and 67,151.24 is: 92,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.87 : 170,761.01 = 67,151.24 : x
  2. Step 2: Convert to fraction form
    123,739.87/170,761.01 = 67,151.24/x
  3. Step 3: Cross multiply
    123,739.87x = 170,761.01 × 67,151.24
  4. Step 4: Simplify right side
    123,739.87x = 11,466,813,565.15
  5. Step 5: Solve for x
    x = 11,466,813,565.15/123,739.87
  6. Step 6: Final answer
    x = 92,668.71

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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.