Home / 140,949.42-194,514.06-80,529.90

Finding the Fourth Proportional to 140,949.42, 194,514.06 and 80,529.90

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Solution

The fourth proportional to 140,949.42, 194,514.06 and 80,529.90 is: 111,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949.42 : 194,514.06 = 80,529.90 : x
  2. Step 2: Convert to fraction form
    140,949.42/194,514.06 = 80,529.90/x
  3. Step 3: Cross multiply
    140,949.42x = 194,514.06 × 80,529.90
  4. Step 4: Simplify right side
    140,949.42x = 15,664,196,919.97
  5. Step 5: Solve for x
    x = 15,664,196,919.97/140,949.42
  6. Step 6: Final answer
    x = 111,133.46

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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.