Home / 126,819.91-175,042.92-73,137.16

Finding the Fourth Proportional to 126,819.91, 175,042.92 and 73,137.16

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Solution

The fourth proportional to 126,819.91, 175,042.92 and 73,137.16 is: 100,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,819.91 : 175,042.92 = 73,137.16 : x
  2. Step 2: Convert to fraction form
    126,819.91/175,042.92 = 73,137.16/x
  3. Step 3: Cross multiply
    126,819.91x = 175,042.92 × 73,137.16
  4. Step 4: Simplify right side
    126,819.91x = 12,802,142,046.91
  5. Step 5: Solve for x
    x = 12,802,142,046.91/126,819.91
  6. Step 6: Final answer
    x = 100,947.41

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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.