Home / 126,007.92-173,885.40-69,418.80

Finding the Fourth Proportional to 126,007.92, 173,885.40 and 69,418.80

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Solution

The fourth proportional to 126,007.92, 173,885.40 and 69,418.80 is: 95,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.92 : 173,885.40 = 69,418.80 : x
  2. Step 2: Convert to fraction form
    126,007.92/173,885.40 = 69,418.80/x
  3. Step 3: Cross multiply
    126,007.92x = 173,885.40 × 69,418.80
  4. Step 4: Simplify right side
    126,007.92x = 12,070,915,805.52
  5. Step 5: Solve for x
    x = 12,070,915,805.52/126,007.92
  6. Step 6: Final answer
    x = 95,794.90

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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.