Home / 194,217.78-268,020.96-108,176.06

Finding the Fourth Proportional to 194,217.78, 268,020.96 and 108,176.06

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Solution

The fourth proportional to 194,217.78, 268,020.96 and 108,176.06 is: 149,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,217.78 : 268,020.96 = 108,176.06 : x
  2. Step 2: Convert to fraction form
    194,217.78/268,020.96 = 108,176.06/x
  3. Step 3: Cross multiply
    194,217.78x = 268,020.96 × 108,176.06
  4. Step 4: Simplify right side
    194,217.78x = 28,993,451,450.22
  5. Step 5: Solve for x
    x = 28,993,451,450.22/194,217.78
  6. Step 6: Final answer
    x = 149,283.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.