Home / 148,219.69-222,296.26-68,180.79

Finding the Fourth Proportional to 148,219.69, 222,296.26 and 68,180.79

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Solution

The fourth proportional to 148,219.69, 222,296.26 and 68,180.79 is: 102,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,219.69 : 222,296.26 = 68,180.79 : x
  2. Step 2: Convert to fraction form
    148,219.69/222,296.26 = 68,180.79/x
  3. Step 3: Cross multiply
    148,219.69x = 222,296.26 × 68,180.79
  4. Step 4: Simplify right side
    148,219.69x = 15,156,334,620.85
  5. Step 5: Solve for x
    x = 15,156,334,620.85/148,219.69
  6. Step 6: Final answer
    x = 102,255.88

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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.