Home / 123,740.07-170,761.42-67,151.45

Finding the Fourth Proportional to 123,740.07, 170,761.42 and 67,151.45

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Solution

The fourth proportional to 123,740.07, 170,761.42 and 67,151.45 is: 92,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.07 : 170,761.42 = 67,151.45 : x
  2. Step 2: Convert to fraction form
    123,740.07/170,761.42 = 67,151.45/x
  3. Step 3: Cross multiply
    123,740.07x = 170,761.42 × 67,151.45
  4. Step 4: Simplify right side
    123,740.07x = 11,466,876,103.25
  5. Step 5: Solve for x
    x = 11,466,876,103.25/123,740.07
  6. Step 6: Final answer
    x = 92,669.06

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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.