Home / 140,785.52-194,236.47-80,313.59

Finding the Fourth Proportional to 140,785.52, 194,236.47 and 80,313.59

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Solution

The fourth proportional to 140,785.52, 194,236.47 and 80,313.59 is: 110,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785.52 : 194,236.47 = 80,313.59 : x
  2. Step 2: Convert to fraction form
    140,785.52/194,236.47 = 80,313.59/x
  3. Step 3: Cross multiply
    140,785.52x = 194,236.47 × 80,313.59
  4. Step 4: Simplify right side
    140,785.52x = 15,599,828,700.22
  5. Step 5: Solve for x
    x = 15,599,828,700.22/140,785.52
  6. Step 6: Final answer
    x = 110,805.64

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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.