Home / 206,373.52-309,560.35-136,236.43

Finding the Fourth Proportional to 206,373.52, 309,560.35 and 136,236.43

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Solution

The fourth proportional to 206,373.52, 309,560.35 and 136,236.43 is: 204,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,373.52 : 309,560.35 = 136,236.43 : x
  2. Step 2: Convert to fraction form
    206,373.52/309,560.35 = 136,236.43/x
  3. Step 3: Cross multiply
    206,373.52x = 309,560.35 × 136,236.43
  4. Step 4: Simplify right side
    206,373.52x = 42,173,396,612.96
  5. Step 5: Solve for x
    x = 42,173,396,612.96/206,373.52
  6. Step 6: Final answer
    x = 204,354.69

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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.