Home / 206,084.38-309,037.44-71,162.68

Finding the Fourth Proportional to 206,084.38, 309,037.44 and 71,162.68

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Solution

The fourth proportional to 206,084.38, 309,037.44 and 71,162.68 is: 106,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,084.38 : 309,037.44 = 71,162.68 : x
  2. Step 2: Convert to fraction form
    206,084.38/309,037.44 = 71,162.68/x
  3. Step 3: Cross multiply
    206,084.38x = 309,037.44 × 71,162.68
  4. Step 4: Simplify right side
    206,084.38x = 21,991,932,450.74
  5. Step 5: Solve for x
    x = 21,991,932,450.74/206,084.38
  6. Step 6: Final answer
    x = 106,713.24

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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.