Home / 140,786.64-194,299.49-80,366.37

Finding the Fourth Proportional to 140,786.64, 194,299.49 and 80,366.37

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Solution

The fourth proportional to 140,786.64, 194,299.49 and 80,366.37 is: 110,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,786.64 : 194,299.49 = 80,366.37 : x
  2. Step 2: Convert to fraction form
    140,786.64/194,299.49 = 80,366.37/x
  3. Step 3: Cross multiply
    140,786.64x = 194,299.49 × 80,366.37
  4. Step 4: Simplify right side
    140,786.64x = 15,615,144,704.15
  5. Step 5: Solve for x
    x = 15,615,144,704.15/140,786.64
  6. Step 6: Final answer
    x = 110,913.54

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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.