Home / 133,691.30-200,432.85-66,176.75

Finding the Fourth Proportional to 133,691.30, 200,432.85 and 66,176.75

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Solution

The fourth proportional to 133,691.30, 200,432.85 and 66,176.75 is: 99,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,691.30 : 200,432.85 = 66,176.75 : x
  2. Step 2: Convert to fraction form
    133,691.30/200,432.85 = 66,176.75/x
  3. Step 3: Cross multiply
    133,691.30x = 200,432.85 × 66,176.75
  4. Step 4: Simplify right side
    133,691.30x = 13,263,993,604.07
  5. Step 5: Solve for x
    x = 13,263,993,604.07/133,691.30
  6. Step 6: Final answer
    x = 99,213.59

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1.5x scale

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.