Home / 126,834.72-175,033.20-76,524

Finding the Fourth Proportional to 126,834.72, 175,033.20 and 76,524

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Solution

The fourth proportional to 126,834.72, 175,033.20 and 76,524 is: 105,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,834.72 : 175,033.20 = 76,524 : x
  2. Step 2: Convert to fraction form
    126,834.72/175,033.20 = 76,524/x
  3. Step 3: Cross multiply
    126,834.72x = 175,033.20 × 76,524
  4. Step 4: Simplify right side
    126,834.72x = 13,394,240,596.80
  5. Step 5: Solve for x
    x = 13,394,240,596.80/126,834.72
  6. Step 6: Final answer
    x = 105,603.90

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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.