Home / 126,817.80-175,003.92-73,105.08

Finding the Fourth Proportional to 126,817.80, 175,003.92 and 73,105.08

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Solution

The fourth proportional to 126,817.80, 175,003.92 and 73,105.08 is: 100,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,817.80 : 175,003.92 = 73,105.08 : x
  2. Step 2: Convert to fraction form
    126,817.80/175,003.92 = 73,105.08/x
  3. Step 3: Cross multiply
    126,817.80x = 175,003.92 × 73,105.08
  4. Step 4: Simplify right side
    126,817.80x = 12,793,675,571.91
  5. Step 5: Solve for x
    x = 12,793,675,571.91/126,817.80
  6. Step 6: Final answer
    x = 100,882.33

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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.