Home / 206,026.44-309,197.88-92,209.56

Finding the Fourth Proportional to 206,026.44, 309,197.88 and 92,209.56

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Solution

The fourth proportional to 206,026.44, 309,197.88 and 92,209.56 is: 138,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,026.44 : 309,197.88 = 92,209.56 : x
  2. Step 2: Convert to fraction form
    206,026.44/309,197.88 = 92,209.56/x
  3. Step 3: Cross multiply
    206,026.44x = 309,197.88 × 92,209.56
  4. Step 4: Simplify right side
    206,026.44x = 28,511,000,467.73
  5. Step 5: Solve for x
    x = 28,511,000,467.73/206,026.44
  6. Step 6: Final answer
    x = 138,385.15

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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.