Home / 179,115.22-268,663.11-54,446.50

Finding the Fourth Proportional to 179,115.22, 268,663.11 and 54,446.50

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Solution

The fourth proportional to 179,115.22, 268,663.11 and 54,446.50 is: 81,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,115.22 : 268,663.11 = 54,446.50 : x
  2. Step 2: Convert to fraction form
    179,115.22/268,663.11 = 54,446.50/x
  3. Step 3: Cross multiply
    179,115.22x = 268,663.11 × 54,446.50
  4. Step 4: Simplify right side
    179,115.22x = 14,627,766,018.62
  5. Step 5: Solve for x
    x = 14,627,766,018.62/179,115.22
  6. Step 6: Final answer
    x = 81,666.80

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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.