Home / 137,721.60-206,582.40-132,910.20

Finding the Fourth Proportional to 137,721.60, 206,582.40 and 132,910.20

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Solution

The fourth proportional to 137,721.60, 206,582.40 and 132,910.20 is: 199,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,721.60 : 206,582.40 = 132,910.20 : x
  2. Step 2: Convert to fraction form
    137,721.60/206,582.40 = 132,910.20/x
  3. Step 3: Cross multiply
    137,721.60x = 206,582.40 × 132,910.20
  4. Step 4: Simplify right side
    137,721.60x = 27,456,908,100.48
  5. Step 5: Solve for x
    x = 27,456,908,100.48/137,721.60
  6. Step 6: Final answer
    x = 199,365.30

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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.