Home / 198,135.15-297,330.30-109,452.30

Finding the Fourth Proportional to 198,135.15, 297,330.30 and 109,452.30

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Solution

The fourth proportional to 198,135.15, 297,330.30 and 109,452.30 is: 164,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,135.15 : 297,330.30 = 109,452.30 : x
  2. Step 2: Convert to fraction form
    198,135.15/297,330.30 = 109,452.30/x
  3. Step 3: Cross multiply
    198,135.15x = 297,330.30 × 109,452.30
  4. Step 4: Simplify right side
    198,135.15x = 32,543,485,194.69
  5. Step 5: Solve for x
    x = 32,543,485,194.69/198,135.15
  6. Step 6: Final answer
    x = 164,248.92

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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.