Home / 129,841.92-195,226.56-119,577.60

Finding the Fourth Proportional to 129,841.92, 195,226.56 and 119,577.60

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Solution

The fourth proportional to 129,841.92, 195,226.56 and 119,577.60 is: 179,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,841.92 : 195,226.56 = 119,577.60 : x
  2. Step 2: Convert to fraction form
    129,841.92/195,226.56 = 119,577.60/x
  3. Step 3: Cross multiply
    129,841.92x = 195,226.56 × 119,577.60
  4. Step 4: Simplify right side
    129,841.92x = 23,344,723,501.06
  5. Step 5: Solve for x
    x = 23,344,723,501.06/129,841.92
  6. Step 6: Final answer
    x = 179,793.42

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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.