Home / 194,286.92-268,108.74-108,243.88

Finding the Fourth Proportional to 194,286.92, 268,108.74 and 108,243.88

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Solution

The fourth proportional to 194,286.92, 268,108.74 and 108,243.88 is: 149,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,286.92 : 268,108.74 = 108,243.88 : x
  2. Step 2: Convert to fraction form
    194,286.92/268,108.74 = 108,243.88/x
  3. Step 3: Cross multiply
    194,286.92x = 268,108.74 × 108,243.88
  4. Step 4: Simplify right side
    194,286.92x = 29,021,130,279.51
  5. Step 5: Solve for x
    x = 29,021,130,279.51/194,286.92
  6. Step 6: Final answer
    x = 149,372.54

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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.