Home / 206,319.35-309,414.33-79,950.85

Finding the Fourth Proportional to 206,319.35, 309,414.33 and 79,950.85

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Solution

The fourth proportional to 206,319.35, 309,414.33 and 79,950.85 is: 119,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,319.35 : 309,414.33 = 79,950.85 : x
  2. Step 2: Convert to fraction form
    206,319.35/309,414.33 = 79,950.85/x
  3. Step 3: Cross multiply
    206,319.35x = 309,414.33 × 79,950.85
  4. Step 4: Simplify right side
    206,319.35x = 24,737,937,912.14
  5. Step 5: Solve for x
    x = 24,737,937,912.14/206,319.35
  6. Step 6: Final answer
    x = 119,901.20

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1.5x scale

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.