Home / 87,454.67-131,182.01-83,205.41

Finding the Fourth Proportional to 87,454.67, 131,182.01 and 83,205.41

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Solution

The fourth proportional to 87,454.67, 131,182.01 and 83,205.41 is: 124,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454.67 : 131,182.01 = 83,205.41 : x
  2. Step 2: Convert to fraction form
    87,454.67/131,182.01 = 83,205.41/x
  3. Step 3: Cross multiply
    87,454.67x = 131,182.01 × 83,205.41
  4. Step 4: Simplify right side
    87,454.67x = 10,915,052,510.65
  5. Step 5: Solve for x
    x = 10,915,052,510.65/87,454.67
  6. Step 6: Final answer
    x = 124,808.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.