Home / 148,614.20-222,540.70-81,980.26

Finding the Fourth Proportional to 148,614.20, 222,540.70 and 81,980.26

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Solution

The fourth proportional to 148,614.20, 222,540.70 and 81,980.26 is: 122,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,614.20 : 222,540.70 = 81,980.26 : x
  2. Step 2: Convert to fraction form
    148,614.20/222,540.70 = 81,980.26/x
  3. Step 3: Cross multiply
    148,614.20x = 222,540.70 × 81,980.26
  4. Step 4: Simplify right side
    148,614.20x = 18,243,944,446.58
  5. Step 5: Solve for x
    x = 18,243,944,446.58/148,614.20
  6. Step 6: Final answer
    x = 122,760.44

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1.5x scale

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.