Home / 148,578.72-222,900.89-55,084.47

Finding the Fourth Proportional to 148,578.72, 222,900.89 and 55,084.47

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Solution

The fourth proportional to 148,578.72, 222,900.89 and 55,084.47 is: 82,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,578.72 : 222,900.89 = 55,084.47 : x
  2. Step 2: Convert to fraction form
    148,578.72/222,900.89 = 55,084.47/x
  3. Step 3: Cross multiply
    148,578.72x = 222,900.89 × 55,084.47
  4. Step 4: Simplify right side
    148,578.72x = 12,278,377,388.18
  5. Step 5: Solve for x
    x = 12,278,377,388.18/148,578.72
  6. Step 6: Final answer
    x = 82,638.87

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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.