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Finding the Fourth Proportional to 166,820.49, 250,231.92 and 133,497.90

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Solution

The fourth proportional to 166,820.49, 250,231.92 and 133,497.90 is: 200,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,820.49 : 250,231.92 = 133,497.90 : x
  2. Step 2: Convert to fraction form
    166,820.49/250,231.92 = 133,497.90/x
  3. Step 3: Cross multiply
    166,820.49x = 250,231.92 × 133,497.90
  4. Step 4: Simplify right side
    166,820.49x = 33,405,435,832.97
  5. Step 5: Solve for x
    x = 33,405,435,832.97/166,820.49
  6. Step 6: Final answer
    x = 200,247.80

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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.