Home / 148,270.67-222,193.01-84,279.65

Finding the Fourth Proportional to 148,270.67, 222,193.01 and 84,279.65

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Solution

The fourth proportional to 148,270.67, 222,193.01 and 84,279.65 is: 126,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,270.67 : 222,193.01 = 84,279.65 : x
  2. Step 2: Convert to fraction form
    148,270.67/222,193.01 = 84,279.65/x
  3. Step 3: Cross multiply
    148,270.67x = 222,193.01 × 84,279.65
  4. Step 4: Simplify right side
    148,270.67x = 18,726,347,582.88
  5. Step 5: Solve for x
    x = 18,726,347,582.88/148,270.67
  6. Step 6: Final answer
    x = 126,298.40

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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.