Home / 206,789.14-310,185.33-113,243.86

Finding the Fourth Proportional to 206,789.14, 310,185.33 and 113,243.86

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Solution

The fourth proportional to 206,789.14, 310,185.33 and 113,243.86 is: 169,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,789.14 : 310,185.33 = 113,243.86 : x
  2. Step 2: Convert to fraction form
    206,789.14/310,185.33 = 113,243.86/x
  3. Step 3: Cross multiply
    206,789.14x = 310,185.33 × 113,243.86
  4. Step 4: Simplify right side
    206,789.14x = 35,126,584,084.57
  5. Step 5: Solve for x
    x = 35,126,584,084.57/206,789.14
  6. Step 6: Final answer
    x = 169,866.68

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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.