Home / 123,107.06-170,027.79-82,750.73

Finding the Fourth Proportional to 123,107.06, 170,027.79 and 82,750.73

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Solution

The fourth proportional to 123,107.06, 170,027.79 and 82,750.73 is: 114,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,107.06 : 170,027.79 = 82,750.73 : x
  2. Step 2: Convert to fraction form
    123,107.06/170,027.79 = 82,750.73/x
  3. Step 3: Cross multiply
    123,107.06x = 170,027.79 × 82,750.73
  4. Step 4: Simplify right side
    123,107.06x = 14,069,923,329.03
  5. Step 5: Solve for x
    x = 14,069,923,329.03/123,107.06
  6. Step 6: Final answer
    x = 114,290.15

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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.