Home / 137,844.40-206,815.20-132,984.40

Finding the Fourth Proportional to 137,844.40, 206,815.20 and 132,984.40

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Solution

The fourth proportional to 137,844.40, 206,815.20 and 132,984.40 is: 199,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,844.40 : 206,815.20 = 132,984.40 : x
  2. Step 2: Convert to fraction form
    137,844.40/206,815.20 = 132,984.40/x
  3. Step 3: Cross multiply
    137,844.40x = 206,815.20 × 132,984.40
  4. Step 4: Simplify right side
    137,844.40x = 27,503,195,282.88
  5. Step 5: Solve for x
    x = 27,503,195,282.88/137,844.40
  6. Step 6: Final answer
    x = 199,523.49

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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.