Home / 140,754.65-194,255.38-80,334.42

Finding the Fourth Proportional to 140,754.65, 194,255.38 and 80,334.42

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Solution

The fourth proportional to 140,754.65, 194,255.38 and 80,334.42 is: 110,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,754.65 : 194,255.38 = 80,334.42 : x
  2. Step 2: Convert to fraction form
    140,754.65/194,255.38 = 80,334.42/x
  3. Step 3: Cross multiply
    140,754.65x = 194,255.38 × 80,334.42
  4. Step 4: Simplify right side
    140,754.65x = 15,605,392,656.14
  5. Step 5: Solve for x
    x = 15,605,392,656.14/140,754.65
  6. Step 6: Final answer
    x = 110,869.47

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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.