Home / 148,337.20-222,578.70-69,437.80

Finding the Fourth Proportional to 148,337.20, 222,578.70 and 69,437.80

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Solution

The fourth proportional to 148,337.20, 222,578.70 and 69,437.80 is: 104,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,337.20 : 222,578.70 = 69,437.80 : x
  2. Step 2: Convert to fraction form
    148,337.20/222,578.70 = 69,437.80/x
  3. Step 3: Cross multiply
    148,337.20x = 222,578.70 × 69,437.80
  4. Step 4: Simplify right side
    148,337.20x = 15,455,375,254.86
  5. Step 5: Solve for x
    x = 15,455,375,254.86/148,337.20
  6. Step 6: Final answer
    x = 104,190.83

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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.