Home / 68,018.47-102,027.57-18,098.56

Finding the Fourth Proportional to 68,018.47, 102,027.57 and 18,098.56

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Solution

The fourth proportional to 68,018.47, 102,027.57 and 18,098.56 is: 27,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.47 : 102,027.57 = 18,098.56 : x
  2. Step 2: Convert to fraction form
    68,018.47/102,027.57 = 18,098.56/x
  3. Step 3: Cross multiply
    68,018.47x = 102,027.57 × 18,098.56
  4. Step 4: Simplify right side
    68,018.47x = 1,846,551,583.06
  5. Step 5: Solve for x
    x = 1,846,551,583.06/68,018.47
  6. Step 6: Final answer
    x = 27,147.80

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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.