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Finding the Fourth Proportional to 181,245.40, 271,608.90 and 133,487.80

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Solution

The fourth proportional to 181,245.40, 271,608.90 and 133,487.80 is: 200,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,245.40 : 271,608.90 = 133,487.80 : x
  2. Step 2: Convert to fraction form
    181,245.40/271,608.90 = 133,487.80/x
  3. Step 3: Cross multiply
    181,245.40x = 271,608.90 × 133,487.80
  4. Step 4: Simplify right side
    181,245.40x = 36,256,474,521.42
  5. Step 5: Solve for x
    x = 36,256,474,521.42/181,245.40
  6. Step 6: Final answer
    x = 200,040.80

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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.