Home / 179,631.60-269,447.40-148,138.80

Finding the Fourth Proportional to 179,631.60, 269,447.40 and 148,138.80

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Solution

The fourth proportional to 179,631.60, 269,447.40 and 148,138.80 is: 222,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,631.60 : 269,447.40 = 148,138.80 : x
  2. Step 2: Convert to fraction form
    179,631.60/269,447.40 = 148,138.80/x
  3. Step 3: Cross multiply
    179,631.60x = 269,447.40 × 148,138.80
  4. Step 4: Simplify right side
    179,631.60x = 39,915,614,499.12
  5. Step 5: Solve for x
    x = 39,915,614,499.12/179,631.60
  6. Step 6: Final answer
    x = 222,208.20

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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.