Home / 204,136.20-306,204.30-54,376.20

Finding the Fourth Proportional to 204,136.20, 306,204.30 and 54,376.20

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Solution

The fourth proportional to 204,136.20, 306,204.30 and 54,376.20 is: 81,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,136.20 : 306,204.30 = 54,376.20 : x
  2. Step 2: Convert to fraction form
    204,136.20/306,204.30 = 54,376.20/x
  3. Step 3: Cross multiply
    204,136.20x = 306,204.30 × 54,376.20
  4. Step 4: Simplify right side
    204,136.20x = 16,650,226,257.66
  5. Step 5: Solve for x
    x = 16,650,226,257.66/204,136.20
  6. Step 6: Final answer
    x = 81,564.30

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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.