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Finding the Fourth Proportional to 80,194.28, 110,664.70 and 44,380.94

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Solution

The fourth proportional to 80,194.28, 110,664.70 and 44,380.94 is: 61,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,194.28 : 110,664.70 = 44,380.94 : x
  2. Step 2: Convert to fraction form
    80,194.28/110,664.70 = 44,380.94/x
  3. Step 3: Cross multiply
    80,194.28x = 110,664.70 × 44,380.94
  4. Step 4: Simplify right side
    80,194.28x = 4,911,402,746.54
  5. Step 5: Solve for x
    x = 4,911,402,746.54/80,194.28
  6. Step 6: Final answer
    x = 61,243.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.