Home / 123,249.97-170,070.33-69,531.85

Finding the Fourth Proportional to 123,249.97, 170,070.33 and 69,531.85

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Solution

The fourth proportional to 123,249.97, 170,070.33 and 69,531.85 is: 95,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249.97 : 170,070.33 = 69,531.85 : x
  2. Step 2: Convert to fraction form
    123,249.97/170,070.33 = 69,531.85/x
  3. Step 3: Cross multiply
    123,249.97x = 170,070.33 × 69,531.85
  4. Step 4: Simplify right side
    123,249.97x = 11,825,304,675.01
  5. Step 5: Solve for x
    x = 11,825,304,675.01/123,249.97
  6. Step 6: Final answer
    x = 95,945.70

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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.