Home / 148,378.76-222,072.41-88,211.96

Finding the Fourth Proportional to 148,378.76, 222,072.41 and 88,211.96

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Solution

The fourth proportional to 148,378.76, 222,072.41 and 88,211.96 is: 132,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,378.76 : 222,072.41 = 88,211.96 : x
  2. Step 2: Convert to fraction form
    148,378.76/222,072.41 = 88,211.96/x
  3. Step 3: Cross multiply
    148,378.76x = 222,072.41 × 88,211.96
  4. Step 4: Simplify right side
    148,378.76x = 19,589,442,548.02
  5. Step 5: Solve for x
    x = 19,589,442,548.02/148,378.76
  6. Step 6: Final answer
    x = 132,023.23

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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.