Home / 148,616.04-222,543.42-81,982.06

Finding the Fourth Proportional to 148,616.04, 222,543.42 and 81,982.06

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Solution

The fourth proportional to 148,616.04, 222,543.42 and 81,982.06 is: 122,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616.04 : 222,543.42 = 81,982.06 : x
  2. Step 2: Convert to fraction form
    148,616.04/222,543.42 = 81,982.06/x
  3. Step 3: Cross multiply
    148,616.04x = 222,543.42 × 81,982.06
  4. Step 4: Simplify right side
    148,616.04x = 18,244,568,011.05
  5. Step 5: Solve for x
    x = 18,244,568,011.05/148,616.04
  6. Step 6: Final answer
    x = 122,763.12

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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.