Home / 148,616.20-222,543.70-81,982.26

Finding the Fourth Proportional to 148,616.20, 222,543.70 and 81,982.26

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Solution

The fourth proportional to 148,616.20, 222,543.70 and 81,982.26 is: 122,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616.20 : 222,543.70 = 81,982.26 : x
  2. Step 2: Convert to fraction form
    148,616.20/222,543.70 = 81,982.26/x
  3. Step 3: Cross multiply
    148,616.20x = 222,543.70 × 81,982.26
  4. Step 4: Simplify right side
    148,616.20x = 18,244,635,474.76
  5. Step 5: Solve for x
    x = 18,244,635,474.76/148,616.20
  6. Step 6: Final answer
    x = 122,763.44

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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.