Home / 198,819.83-298,245.63-119,398.92

Finding the Fourth Proportional to 198,819.83, 298,245.63 and 119,398.92

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Solution

The fourth proportional to 198,819.83, 298,245.63 and 119,398.92 is: 179,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,819.83 : 298,245.63 = 119,398.92 : x
  2. Step 2: Convert to fraction form
    198,819.83/298,245.63 = 119,398.92/x
  3. Step 3: Cross multiply
    198,819.83x = 298,245.63 × 119,398.92
  4. Step 4: Simplify right side
    198,819.83x = 35,610,207,375.18
  5. Step 5: Solve for x
    x = 35,610,207,375.18/198,819.83
  6. Step 6: Final answer
    x = 179,107.93

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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.