Home / 140,664.14-194,121.90-80,244.62

Finding the Fourth Proportional to 140,664.14, 194,121.90 and 80,244.62

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Solution

The fourth proportional to 140,664.14, 194,121.90 and 80,244.62 is: 110,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.14 : 194,121.90 = 80,244.62 : x
  2. Step 2: Convert to fraction form
    140,664.14/194,121.90 = 80,244.62/x
  3. Step 3: Cross multiply
    140,664.14x = 194,121.90 × 80,244.62
  4. Step 4: Simplify right side
    140,664.14x = 15,577,238,099.18
  5. Step 5: Solve for x
    x = 15,577,238,099.18/140,664.14
  6. Step 6: Final answer
    x = 110,740.65

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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.