Home / 68,069.97-102,109.82-18,149.81

Finding the Fourth Proportional to 68,069.97, 102,109.82 and 18,149.81

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Solution

The fourth proportional to 68,069.97, 102,109.82 and 18,149.81 is: 27,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,069.97 : 102,109.82 = 18,149.81 : x
  2. Step 2: Convert to fraction form
    68,069.97/102,109.82 = 18,149.81/x
  3. Step 3: Cross multiply
    68,069.97x = 102,109.82 × 18,149.81
  4. Step 4: Simplify right side
    68,069.97x = 1,853,273,230.84
  5. Step 5: Solve for x
    x = 1,853,273,230.84/68,069.97
  6. Step 6: Final answer
    x = 27,226.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.