Home / 179,851.20-269,949.60-91,204.80

Finding the Fourth Proportional to 179,851.20, 269,949.60 and 91,204.80

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Solution

The fourth proportional to 179,851.20, 269,949.60 and 91,204.80 is: 136,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,851.20 : 269,949.60 = 91,204.80 : x
  2. Step 2: Convert to fraction form
    179,851.20/269,949.60 = 91,204.80/x
  3. Step 3: Cross multiply
    179,851.20x = 269,949.60 × 91,204.80
  4. Step 4: Simplify right side
    179,851.20x = 24,620,699,278.08
  5. Step 5: Solve for x
    x = 24,620,699,278.08/179,851.20
  6. Step 6: Final answer
    x = 136,894.83

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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.