Home / 137,649.14-206,454.26-44,142.74

Finding the Fourth Proportional to 137,649.14, 206,454.26 and 44,142.74

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Solution

The fourth proportional to 137,649.14, 206,454.26 and 44,142.74 is: 66,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,649.14 : 206,454.26 = 44,142.74 : x
  2. Step 2: Convert to fraction form
    137,649.14/206,454.26 = 44,142.74/x
  3. Step 3: Cross multiply
    137,649.14x = 206,454.26 × 44,142.74
  4. Step 4: Simplify right side
    137,649.14x = 9,113,455,799.16
  5. Step 5: Solve for x
    x = 9,113,455,799.16/137,649.14
  6. Step 6: Final answer
    x = 66,207.87

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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.