Home / 123,734.73-170,754.38-67,146.09

Finding the Fourth Proportional to 123,734.73, 170,754.38 and 67,146.09

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Solution

The fourth proportional to 123,734.73, 170,754.38 and 67,146.09 is: 92,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,734.73 : 170,754.38 = 67,146.09 : x
  2. Step 2: Convert to fraction form
    123,734.73/170,754.38 = 67,146.09/x
  3. Step 3: Cross multiply
    123,734.73x = 170,754.38 × 67,146.09
  4. Step 4: Simplify right side
    123,734.73x = 11,465,488,631.64
  5. Step 5: Solve for x
    x = 11,465,488,631.64/123,734.73
  6. Step 6: Final answer
    x = 92,661.85

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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.