Home / 198,331.20-296,989.44-109,486.08

Finding the Fourth Proportional to 198,331.20, 296,989.44 and 109,486.08

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Solution

The fourth proportional to 198,331.20, 296,989.44 and 109,486.08 is: 163,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,331.20 : 296,989.44 = 109,486.08 : x
  2. Step 2: Convert to fraction form
    198,331.20/296,989.44 = 109,486.08/x
  3. Step 3: Cross multiply
    198,331.20x = 296,989.44 × 109,486.08
  4. Step 4: Simplify right side
    198,331.20x = 32,516,209,587.00
  5. Step 5: Solve for x
    x = 32,516,209,587.00/198,331.20
  6. Step 6: Final answer
    x = 163,949.04

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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.