Home / 148,612.20-222,945.30-48,744.60

Finding the Fourth Proportional to 148,612.20, 222,945.30 and 48,744.60

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Solution

The fourth proportional to 148,612.20, 222,945.30 and 48,744.60 is: 73,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,612.20 : 222,945.30 = 48,744.60 : x
  2. Step 2: Convert to fraction form
    148,612.20/222,945.30 = 48,744.60/x
  3. Step 3: Cross multiply
    148,612.20x = 222,945.30 × 48,744.60
  4. Step 4: Simplify right side
    148,612.20x = 10,867,379,470.38
  5. Step 5: Solve for x
    x = 10,867,379,470.38/148,612.20
  6. Step 6: Final answer
    x = 73,125.76

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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.