Home / 137,818.26-206,875.01-108,441.38

Finding the Fourth Proportional to 137,818.26, 206,875.01 and 108,441.38

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Solution

The fourth proportional to 137,818.26, 206,875.01 and 108,441.38 is: 162,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,818.26 : 206,875.01 = 108,441.38 : x
  2. Step 2: Convert to fraction form
    137,818.26/206,875.01 = 108,441.38/x
  3. Step 3: Cross multiply
    137,818.26x = 206,875.01 × 108,441.38
  4. Step 4: Simplify right side
    137,818.26x = 22,433,812,360.20
  5. Step 5: Solve for x
    x = 22,433,812,360.20/137,818.26
  6. Step 6: Final answer
    x = 162,778.23

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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.