Home / 198,331.70-296,990.19-109,486.58

Finding the Fourth Proportional to 198,331.70, 296,990.19 and 109,486.58

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Solution

The fourth proportional to 198,331.70, 296,990.19 and 109,486.58 is: 163,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,331.70 : 296,990.19 = 109,486.58 : x
  2. Step 2: Convert to fraction form
    198,331.70/296,990.19 = 109,486.58/x
  3. Step 3: Cross multiply
    198,331.70x = 296,990.19 × 109,486.58
  4. Step 4: Simplify right side
    198,331.70x = 32,516,440,196.65
  5. Step 5: Solve for x
    x = 32,516,440,196.65/198,331.70
  6. Step 6: Final answer
    x = 163,949.79

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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.