Home / 68,018.66-102,027.85-18,098.75

Finding the Fourth Proportional to 68,018.66, 102,027.85 and 18,098.75

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Solution

The fourth proportional to 68,018.66, 102,027.85 and 18,098.75 is: 27,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.66 : 102,027.85 = 18,098.75 : x
  2. Step 2: Convert to fraction form
    68,018.66/102,027.85 = 18,098.75/x
  3. Step 3: Cross multiply
    68,018.66x = 102,027.85 × 18,098.75
  4. Step 4: Simplify right side
    68,018.66x = 1,846,576,760.01
  5. Step 5: Solve for x
    x = 1,846,576,760.01/68,018.66
  6. Step 6: Final answer
    x = 27,148.09

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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.