Home / 140,732.96-194,211.78-76,202.90

Finding the Fourth Proportional to 140,732.96, 194,211.78 and 76,202.90

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Solution

The fourth proportional to 140,732.96, 194,211.78 and 76,202.90 is: 105,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,732.96 : 194,211.78 = 76,202.90 : x
  2. Step 2: Convert to fraction form
    140,732.96/194,211.78 = 76,202.90/x
  3. Step 3: Cross multiply
    140,732.96x = 194,211.78 × 76,202.90
  4. Step 4: Simplify right side
    140,732.96x = 14,799,500,850.16
  5. Step 5: Solve for x
    x = 14,799,500,850.16/140,732.96
  6. Step 6: Final answer
    x = 105,160.16

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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.