Home / 137,726.20-206,618.10-44,241.40

Finding the Fourth Proportional to 137,726.20, 206,618.10 and 44,241.40

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Solution

The fourth proportional to 137,726.20, 206,618.10 and 44,241.40 is: 66,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,726.20 : 206,618.10 = 44,241.40 : x
  2. Step 2: Convert to fraction form
    137,726.20/206,618.10 = 44,241.40/x
  3. Step 3: Cross multiply
    137,726.20x = 206,618.10 × 44,241.40
  4. Step 4: Simplify right side
    137,726.20x = 9,141,074,009.34
  5. Step 5: Solve for x
    x = 9,141,074,009.34/137,726.20
  6. Step 6: Final answer
    x = 66,371.35

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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.