Home / 123,425.10-170,327.16-66,836.52

Finding the Fourth Proportional to 123,425.10, 170,327.16 and 66,836.52

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Solution

The fourth proportional to 123,425.10, 170,327.16 and 66,836.52 is: 92,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,425.10 : 170,327.16 = 66,836.52 : x
  2. Step 2: Convert to fraction form
    123,425.10/170,327.16 = 66,836.52/x
  3. Step 3: Cross multiply
    123,425.10x = 170,327.16 × 66,836.52
  4. Step 4: Simplify right side
    123,425.10x = 11,384,074,635.88
  5. Step 5: Solve for x
    x = 11,384,074,635.88/123,425.10
  6. Step 6: Final answer
    x = 92,234.68

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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.