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Finding the Fourth Proportional to 178,119.50, 267,295.89 and 67,311.50

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Solution

The fourth proportional to 178,119.50, 267,295.89 and 67,311.50 is: 101,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,119.50 : 267,295.89 = 67,311.50 : x
  2. Step 2: Convert to fraction form
    178,119.50/267,295.89 = 67,311.50/x
  3. Step 3: Cross multiply
    178,119.50x = 267,295.89 × 67,311.50
  4. Step 4: Simplify right side
    178,119.50x = 17,992,087,299.74
  5. Step 5: Solve for x
    x = 17,992,087,299.74/178,119.50
  6. Step 6: Final answer
    x = 101,011.33

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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.