Home / 140,760.42-194,249.43-77,099.28

Finding the Fourth Proportional to 140,760.42, 194,249.43 and 77,099.28

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Solution

The fourth proportional to 140,760.42, 194,249.43 and 77,099.28 is: 106,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,760.42 : 194,249.43 = 77,099.28 : x
  2. Step 2: Convert to fraction form
    140,760.42/194,249.43 = 77,099.28/x
  3. Step 3: Cross multiply
    140,760.42x = 194,249.43 × 77,099.28
  4. Step 4: Simplify right side
    140,760.42x = 14,976,491,193.41
  5. Step 5: Solve for x
    x = 14,976,491,193.41/140,760.42
  6. Step 6: Final answer
    x = 106,397.03

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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.