Home / 133,853.05-200,679.72-80,532.54

Finding the Fourth Proportional to 133,853.05, 200,679.72 and 80,532.54

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Solution

The fourth proportional to 133,853.05, 200,679.72 and 80,532.54 is: 120,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,853.05 : 200,679.72 = 80,532.54 : x
  2. Step 2: Convert to fraction form
    133,853.05/200,679.72 = 80,532.54/x
  3. Step 3: Cross multiply
    133,853.05x = 200,679.72 × 80,532.54
  4. Step 4: Simplify right side
    133,853.05x = 16,161,247,578.09
  5. Step 5: Solve for x
    x = 16,161,247,578.09/133,853.05
  6. Step 6: Final answer
    x = 120,738.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.