Home / 194,817.68-268,845.78-108,778

Finding the Fourth Proportional to 194,817.68, 268,845.78 and 108,778

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Solution

The fourth proportional to 194,817.68, 268,845.78 and 108,778 is: 150,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,817.68 : 268,845.78 = 108,778 : x
  2. Step 2: Convert to fraction form
    194,817.68/268,845.78 = 108,778/x
  3. Step 3: Cross multiply
    194,817.68x = 268,845.78 × 108,778
  4. Step 4: Simplify right side
    194,817.68x = 29,244,506,256.84
  5. Step 5: Solve for x
    x = 29,244,506,256.84/194,817.68
  6. Step 6: Final answer
    x = 150,112.18

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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.