Home / 126,003.28-173,884.16-69,414.72

Finding the Fourth Proportional to 126,003.28, 173,884.16 and 69,414.72

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Solution

The fourth proportional to 126,003.28, 173,884.16 and 69,414.72 is: 95,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,003.28 : 173,884.16 = 69,414.72 : x
  2. Step 2: Convert to fraction form
    126,003.28/173,884.16 = 69,414.72/x
  3. Step 3: Cross multiply
    126,003.28x = 173,884.16 × 69,414.72
  4. Step 4: Simplify right side
    126,003.28x = 12,070,120,278.84
  5. Step 5: Solve for x
    x = 12,070,120,278.84/126,003.28
  6. Step 6: Final answer
    x = 95,792.11

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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.