Home / 206,942.31-310,347.86-88,581.87

Finding the Fourth Proportional to 206,942.31, 310,347.86 and 88,581.87

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Solution

The fourth proportional to 206,942.31, 310,347.86 and 88,581.87 is: 132,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,942.31 : 310,347.86 = 88,581.87 : x
  2. Step 2: Convert to fraction form
    206,942.31/310,347.86 = 88,581.87/x
  3. Step 3: Cross multiply
    206,942.31x = 310,347.86 × 88,581.87
  4. Step 4: Simplify right side
    206,942.31x = 27,491,193,346.39
  5. Step 5: Solve for x
    x = 27,491,193,346.39/206,942.31
  6. Step 6: Final answer
    x = 132,844.72

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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.