Home / 137,741.20-206,640.60-44,256.40

Finding the Fourth Proportional to 137,741.20, 206,640.60 and 44,256.40

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Solution

The fourth proportional to 137,741.20, 206,640.60 and 44,256.40 is: 66,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,741.20 : 206,640.60 = 44,256.40 : x
  2. Step 2: Convert to fraction form
    137,741.20/206,640.60 = 44,256.40/x
  3. Step 3: Cross multiply
    137,741.20x = 206,640.60 × 44,256.40
  4. Step 4: Simplify right side
    137,741.20x = 9,145,169,049.84
  5. Step 5: Solve for x
    x = 9,145,169,049.84/137,741.20
  6. Step 6: Final answer
    x = 66,393.85

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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.