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Finding the Fourth Proportional to 166,811.92, 230,200.92 and 90,331.92

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Solution

The fourth proportional to 166,811.92, 230,200.92 and 90,331.92 is: 124,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,811.92 : 230,200.92 = 90,331.92 : x
  2. Step 2: Convert to fraction form
    166,811.92/230,200.92 = 90,331.92/x
  3. Step 3: Cross multiply
    166,811.92x = 230,200.92 × 90,331.92
  4. Step 4: Simplify right side
    166,811.92x = 20,794,491,089.37
  5. Step 5: Solve for x
    x = 20,794,491,089.37/166,811.92
  6. Step 6: Final answer
    x = 124,658.30

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1.5x scale

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.