Home / 141,134.44-194,761.92-77,471.68

Finding the Fourth Proportional to 141,134.44, 194,761.92 and 77,471.68

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Solution

The fourth proportional to 141,134.44, 194,761.92 and 77,471.68 is: 106,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,134.44 : 194,761.92 = 77,471.68 : x
  2. Step 2: Convert to fraction form
    141,134.44/194,761.92 = 77,471.68/x
  3. Step 3: Cross multiply
    141,134.44x = 194,761.92 × 77,471.68
  4. Step 4: Simplify right side
    141,134.44x = 15,088,533,142.43
  5. Step 5: Solve for x
    x = 15,088,533,142.43/141,134.44
  6. Step 6: Final answer
    x = 106,908.94

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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.