Home / 137,589.45-206,777.83-67,517.97

Finding the Fourth Proportional to 137,589.45, 206,777.83 and 67,517.97

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Solution

The fourth proportional to 137,589.45, 206,777.83 and 67,517.97 is: 101,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,589.45 : 206,777.83 = 67,517.97 : x
  2. Step 2: Convert to fraction form
    137,589.45/206,777.83 = 67,517.97/x
  3. Step 3: Cross multiply
    137,589.45x = 206,777.83 × 67,517.97
  4. Step 4: Simplify right side
    137,589.45x = 13,961,219,322.61
  5. Step 5: Solve for x
    x = 13,961,219,322.61/137,589.45
  6. Step 6: Final answer
    x = 101,470.13

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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.