Home / 123,251.46-170,087.04-66,662.85

Finding the Fourth Proportional to 123,251.46, 170,087.04 and 66,662.85

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Solution

The fourth proportional to 123,251.46, 170,087.04 and 66,662.85 is: 91,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.46 : 170,087.04 = 66,662.85 : x
  2. Step 2: Convert to fraction form
    123,251.46/170,087.04 = 66,662.85/x
  3. Step 3: Cross multiply
    123,251.46x = 170,087.04 × 66,662.85
  4. Step 4: Simplify right side
    123,251.46x = 11,338,486,834.46
  5. Step 5: Solve for x
    x = 11,338,486,834.46/123,251.46
  6. Step 6: Final answer
    x = 91,994.75

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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.