Home / 194,727.20-291,872.10-82,388.30

Finding the Fourth Proportional to 194,727.20, 291,872.10 and 82,388.30

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Solution

The fourth proportional to 194,727.20, 291,872.10 and 82,388.30 is: 123,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,727.20 : 291,872.10 = 82,388.30 : x
  2. Step 2: Convert to fraction form
    194,727.20/291,872.10 = 82,388.30/x
  3. Step 3: Cross multiply
    194,727.20x = 291,872.10 × 82,388.30
  4. Step 4: Simplify right side
    194,727.20x = 24,046,846,136.43
  5. Step 5: Solve for x
    x = 24,046,846,136.43/194,727.20
  6. Step 6: Final answer
    x = 123,489.92

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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.