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Finding the Fourth Proportional to 68,216.20, 102,324.30 and 62,311.30

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Solution

The fourth proportional to 68,216.20, 102,324.30 and 62,311.30 is: 93,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,216.20 : 102,324.30 = 62,311.30 : x
  2. Step 2: Convert to fraction form
    68,216.20/102,324.30 = 62,311.30/x
  3. Step 3: Cross multiply
    68,216.20x = 102,324.30 × 62,311.30
  4. Step 4: Simplify right side
    68,216.20x = 6,375,960,154.59
  5. Step 5: Solve for x
    x = 6,375,960,154.59/68,216.20
  6. Step 6: Final answer
    x = 93,466.95

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1.5x scale

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.