Home / 140,785.27-194,236.10-80,313.37

Finding the Fourth Proportional to 140,785.27, 194,236.10 and 80,313.37

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Solution

The fourth proportional to 140,785.27, 194,236.10 and 80,313.37 is: 110,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785.27 : 194,236.10 = 80,313.37 : x
  2. Step 2: Convert to fraction form
    140,785.27/194,236.10 = 80,313.37/x
  3. Step 3: Cross multiply
    140,785.27x = 194,236.10 × 80,313.37
  4. Step 4: Simplify right side
    140,785.27x = 15,599,755,766.66
  5. Step 5: Solve for x
    x = 15,599,755,766.66/140,785.27
  6. Step 6: Final answer
    x = 110,805.31

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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.