Home / 194,331.68-268,170.72-109,456.64

Finding the Fourth Proportional to 194,331.68, 268,170.72 and 109,456.64

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Solution

The fourth proportional to 194,331.68, 268,170.72 and 109,456.64 is: 151,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,331.68 : 268,170.72 = 109,456.64 : x
  2. Step 2: Convert to fraction form
    194,331.68/268,170.72 = 109,456.64/x
  3. Step 3: Cross multiply
    194,331.68x = 268,170.72 × 109,456.64
  4. Step 4: Simplify right side
    194,331.68x = 29,353,065,957.58
  5. Step 5: Solve for x
    x = 29,353,065,957.58/194,331.68
  6. Step 6: Final answer
    x = 151,046.22

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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.