Home / 123,260.20-170,098.86-66,671.80

Finding the Fourth Proportional to 123,260.20, 170,098.86 and 66,671.80

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Solution

The fourth proportional to 123,260.20, 170,098.86 and 66,671.80 is: 92,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,260.20 : 170,098.86 = 66,671.80 : x
  2. Step 2: Convert to fraction form
    123,260.20/170,098.86 = 66,671.80/x
  3. Step 3: Cross multiply
    123,260.20x = 170,098.86 × 66,671.80
  4. Step 4: Simplify right side
    123,260.20x = 11,340,797,174.15
  5. Step 5: Solve for x
    x = 11,340,797,174.15/123,260.20
  6. Step 6: Final answer
    x = 92,006.97

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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.