Home / 180,988.20-271,375.85-68,676.31

Finding the Fourth Proportional to 180,988.20, 271,375.85 and 68,676.31

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Solution

The fourth proportional to 180,988.20, 271,375.85 and 68,676.31 is: 102,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,988.20 : 271,375.85 = 68,676.31 : x
  2. Step 2: Convert to fraction form
    180,988.20/271,375.85 = 68,676.31/x
  3. Step 3: Cross multiply
    180,988.20x = 271,375.85 × 68,676.31
  4. Step 4: Simplify right side
    180,988.20x = 18,637,091,996.95
  5. Step 5: Solve for x
    x = 18,637,091,996.95/180,988.20
  6. Step 6: Final answer
    x = 102,974.07

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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.