Home / 173,839.30-260,456.55-80,152.90

Finding the Fourth Proportional to 173,839.30, 260,456.55 and 80,152.90

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Solution

The fourth proportional to 173,839.30, 260,456.55 and 80,152.90 is: 120,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,839.30 : 260,456.55 = 80,152.90 : x
  2. Step 2: Convert to fraction form
    173,839.30/260,456.55 = 80,152.90/x
  3. Step 3: Cross multiply
    173,839.30x = 260,456.55 × 80,152.90
  4. Step 4: Simplify right side
    173,839.30x = 20,876,347,806.50
  5. Step 5: Solve for x
    x = 20,876,347,806.50/173,839.30
  6. Step 6: Final answer
    x = 120,089.92

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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.