Home / 137,832.03-206,304.98-71,181.18

Finding the Fourth Proportional to 137,832.03, 206,304.98 and 71,181.18

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Solution

The fourth proportional to 137,832.03, 206,304.98 and 71,181.18 is: 106,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,832.03 : 206,304.98 = 71,181.18 : x
  2. Step 2: Convert to fraction form
    137,832.03/206,304.98 = 71,181.18/x
  3. Step 3: Cross multiply
    137,832.03x = 206,304.98 × 71,181.18
  4. Step 4: Simplify right side
    137,832.03x = 14,685,031,560.37
  5. Step 5: Solve for x
    x = 14,685,031,560.37/137,832.03
  6. Step 6: Final answer
    x = 106,542.95

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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.