Home / 123,249.40-170,084.37-66,660.82

Finding the Fourth Proportional to 123,249.40, 170,084.37 and 66,660.82

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Solution

The fourth proportional to 123,249.40, 170,084.37 and 66,660.82 is: 91,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249.40 : 170,084.37 = 66,660.82 : x
  2. Step 2: Convert to fraction form
    123,249.40/170,084.37 = 66,660.82/x
  3. Step 3: Cross multiply
    123,249.40x = 170,084.37 × 66,660.82
  4. Step 4: Simplify right side
    123,249.40x = 11,337,963,573.38
  5. Step 5: Solve for x
    x = 11,337,963,573.38/123,249.40
  6. Step 6: Final answer
    x = 91,992.04

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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.