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Finding the Fourth Proportional to 80,015.54, 120,098.63 and 40,600.94

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Solution

The fourth proportional to 80,015.54, 120,098.63 and 40,600.94 is: 60,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,015.54 : 120,098.63 = 40,600.94 : x
  2. Step 2: Convert to fraction form
    80,015.54/120,098.63 = 40,600.94/x
  3. Step 3: Cross multiply
    80,015.54x = 120,098.63 × 40,600.94
  4. Step 4: Simplify right side
    80,015.54x = 4,876,116,467.21
  5. Step 5: Solve for x
    x = 4,876,116,467.21/80,015.54
  6. Step 6: Final answer
    x = 60,939.62

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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.