Home / 137,446.10-206,140.35-67,375.70

Finding the Fourth Proportional to 137,446.10, 206,140.35 and 67,375.70

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Solution

The fourth proportional to 137,446.10, 206,140.35 and 67,375.70 is: 101,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,446.10 : 206,140.35 = 67,375.70 : x
  2. Step 2: Convert to fraction form
    137,446.10/206,140.35 = 67,375.70/x
  3. Step 3: Cross multiply
    137,446.10x = 206,140.35 × 67,375.70
  4. Step 4: Simplify right side
    137,446.10x = 13,888,850,379.50
  5. Step 5: Solve for x
    x = 13,888,850,379.50/137,446.10
  6. Step 6: Final answer
    x = 101,049.43

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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.