Home / 137,919.36-206,877.12-44,425.60

Finding the Fourth Proportional to 137,919.36, 206,877.12 and 44,425.60

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Solution

The fourth proportional to 137,919.36, 206,877.12 and 44,425.60 is: 66,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,919.36 : 206,877.12 = 44,425.60 : x
  2. Step 2: Convert to fraction form
    137,919.36/206,877.12 = 44,425.60/x
  3. Step 3: Cross multiply
    137,919.36x = 206,877.12 × 44,425.60
  4. Step 4: Simplify right side
    137,919.36x = 9,190,640,182.27
  5. Step 5: Solve for x
    x = 9,190,640,182.27/137,919.36
  6. Step 6: Final answer
    x = 66,637.78

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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.