Home / 206,427.46-309,566.88-71,454.85

Finding the Fourth Proportional to 206,427.46, 309,566.88 and 71,454.85

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Solution

The fourth proportional to 206,427.46, 309,566.88 and 71,454.85 is: 107,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,427.46 : 309,566.88 = 71,454.85 : x
  2. Step 2: Convert to fraction form
    206,427.46/309,566.88 = 71,454.85/x
  3. Step 3: Cross multiply
    206,427.46x = 309,566.88 × 71,454.85
  4. Step 4: Simplify right side
    206,427.46x = 22,120,055,362.33
  5. Step 5: Solve for x
    x = 22,120,055,362.33/206,427.46
  6. Step 6: Final answer
    x = 107,156.56

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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.