Home / 140,917.28-194,446.32-84,320.96

Finding the Fourth Proportional to 140,917.28, 194,446.32 and 84,320.96

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Solution

The fourth proportional to 140,917.28, 194,446.32 and 84,320.96 is: 116,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.28 : 194,446.32 = 84,320.96 : x
  2. Step 2: Convert to fraction form
    140,917.28/194,446.32 = 84,320.96/x
  3. Step 3: Cross multiply
    140,917.28x = 194,446.32 × 84,320.96
  4. Step 4: Simplify right side
    140,917.28x = 16,395,900,370.87
  5. Step 5: Solve for x
    x = 16,395,900,370.87/140,917.28
  6. Step 6: Final answer
    x = 116,351.24

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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.