Home / 140,651.42-194,099.16-76,993.24

Finding the Fourth Proportional to 140,651.42, 194,099.16 and 76,993.24

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Solution

The fourth proportional to 140,651.42, 194,099.16 and 76,993.24 is: 106,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,651.42 : 194,099.16 = 76,993.24 : x
  2. Step 2: Convert to fraction form
    140,651.42/194,099.16 = 76,993.24/x
  3. Step 3: Cross multiply
    140,651.42x = 194,099.16 × 76,993.24
  4. Step 4: Simplify right side
    140,651.42x = 14,944,323,209.68
  5. Step 5: Solve for x
    x = 14,944,323,209.68/140,651.42
  6. Step 6: Final answer
    x = 106,250.78

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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.