Home / 148,519.20-222,778.80-131,023.20

Finding the Fourth Proportional to 148,519.20, 222,778.80 and 131,023.20

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Solution

The fourth proportional to 148,519.20, 222,778.80 and 131,023.20 is: 196,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,519.20 : 222,778.80 = 131,023.20 : x
  2. Step 2: Convert to fraction form
    148,519.20/222,778.80 = 131,023.20/x
  3. Step 3: Cross multiply
    148,519.20x = 222,778.80 × 131,023.20
  4. Step 4: Simplify right side
    148,519.20x = 29,189,191,268.16
  5. Step 5: Solve for x
    x = 29,189,191,268.16/148,519.20
  6. Step 6: Final answer
    x = 196,534.80

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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.