Home / 179,928.60-269,892.90-172,249.80

Finding the Fourth Proportional to 179,928.60, 269,892.90 and 172,249.80

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Solution

The fourth proportional to 179,928.60, 269,892.90 and 172,249.80 is: 258,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,928.60 : 269,892.90 = 172,249.80 : x
  2. Step 2: Convert to fraction form
    179,928.60/269,892.90 = 172,249.80/x
  3. Step 3: Cross multiply
    179,928.60x = 269,892.90 × 172,249.80
  4. Step 4: Simplify right side
    179,928.60x = 46,488,998,046.42
  5. Step 5: Solve for x
    x = 46,488,998,046.42/179,928.60
  6. Step 6: Final answer
    x = 258,374.70

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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.