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Finding the Fourth Proportional to 80,179.62, 120,310.90 and 58,174.62

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Solution

The fourth proportional to 80,179.62, 120,310.90 and 58,174.62 is: 87,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,179.62 : 120,310.90 = 58,174.62 : x
  2. Step 2: Convert to fraction form
    80,179.62/120,310.90 = 58,174.62/x
  3. Step 3: Cross multiply
    80,179.62x = 120,310.90 × 58,174.62
  4. Step 4: Simplify right side
    80,179.62x = 6,999,040,889.36
  5. Step 5: Solve for x
    x = 6,999,040,889.36/80,179.62
  6. Step 6: Final answer
    x = 87,292.02

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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.