Home / 68,017.36-102,033.64-18,099.38

Finding the Fourth Proportional to 68,017.36, 102,033.64 and 18,099.38

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Solution

The fourth proportional to 68,017.36, 102,033.64 and 18,099.38 is: 27,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,017.36 : 102,033.64 = 18,099.38 : x
  2. Step 2: Convert to fraction form
    68,017.36/102,033.64 = 18,099.38/x
  3. Step 3: Cross multiply
    68,017.36x = 102,033.64 × 18,099.38
  4. Step 4: Simplify right side
    68,017.36x = 1,846,745,623.14
  5. Step 5: Solve for x
    x = 1,846,745,623.14/68,017.36
  6. Step 6: Final answer
    x = 27,151.09

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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.