Home / 126,841.97-175,043.21-76,531.25

Finding the Fourth Proportional to 126,841.97, 175,043.21 and 76,531.25

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Solution

The fourth proportional to 126,841.97, 175,043.21 and 76,531.25 is: 105,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.97 : 175,043.21 = 76,531.25 : x
  2. Step 2: Convert to fraction form
    126,841.97/175,043.21 = 76,531.25/x
  3. Step 3: Cross multiply
    126,841.97x = 175,043.21 × 76,531.25
  4. Step 4: Simplify right side
    126,841.97x = 13,396,275,665.31
  5. Step 5: Solve for x
    x = 13,396,275,665.31/126,841.97
  6. Step 6: Final answer
    x = 105,613.90

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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.