Home / 179,811.20-269,716.80-91,337.60

Finding the Fourth Proportional to 179,811.20, 269,716.80 and 91,337.60

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Solution

The fourth proportional to 179,811.20, 269,716.80 and 91,337.60 is: 137,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,811.20 : 269,716.80 = 91,337.60 : x
  2. Step 2: Convert to fraction form
    179,811.20/269,716.80 = 91,337.60/x
  3. Step 3: Cross multiply
    179,811.20x = 269,716.80 × 91,337.60
  4. Step 4: Simplify right side
    179,811.20x = 24,635,285,191.68
  5. Step 5: Solve for x
    x = 24,635,285,191.68/179,811.20
  6. Step 6: Final answer
    x = 137,006.40

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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.