Home / 68,001.06-102,001.46-18,081.17

Finding the Fourth Proportional to 68,001.06, 102,001.46 and 18,081.17

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Solution

The fourth proportional to 68,001.06, 102,001.46 and 18,081.17 is: 27,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001.06 : 102,001.46 = 18,081.17 : x
  2. Step 2: Convert to fraction form
    68,001.06/102,001.46 = 18,081.17/x
  3. Step 3: Cross multiply
    68,001.06x = 102,001.46 × 18,081.17
  4. Step 4: Simplify right side
    68,001.06x = 1,844,305,138.10
  5. Step 5: Solve for x
    x = 1,844,305,138.10/68,001.06
  6. Step 6: Final answer
    x = 27,121.71

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1.5x scale

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.