Home / 148,616.63-222,544.35-81,982.70

Finding the Fourth Proportional to 148,616.63, 222,544.35 and 81,982.70

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Solution

The fourth proportional to 148,616.63, 222,544.35 and 81,982.70 is: 122,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616.63 : 222,544.35 = 81,982.70 : x
  2. Step 2: Convert to fraction form
    148,616.63/222,544.35 = 81,982.70/x
  3. Step 3: Cross multiply
    148,616.63x = 222,544.35 × 81,982.70
  4. Step 4: Simplify right side
    148,616.63x = 18,244,786,682.75
  5. Step 5: Solve for x
    x = 18,244,786,682.75/148,616.63
  6. Step 6: Final answer
    x = 122,764.10

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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.