Home / 148,301.80-222,452.70-86,132.20

Finding the Fourth Proportional to 148,301.80, 222,452.70 and 86,132.20

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Solution

The fourth proportional to 148,301.80, 222,452.70 and 86,132.20 is: 129,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,301.80 : 222,452.70 = 86,132.20 : x
  2. Step 2: Convert to fraction form
    148,301.80/222,452.70 = 86,132.20/x
  3. Step 3: Cross multiply
    148,301.80x = 222,452.70 × 86,132.20
  4. Step 4: Simplify right side
    148,301.80x = 19,160,340,446.94
  5. Step 5: Solve for x
    x = 19,160,340,446.94/148,301.80
  6. Step 6: Final answer
    x = 129,198.30

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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.