Home / 68,230.16-102,338.04-18,315.44

Finding the Fourth Proportional to 68,230.16, 102,338.04 and 18,315.44

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Solution

The fourth proportional to 68,230.16, 102,338.04 and 18,315.44 is: 27,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.16 : 102,338.04 = 18,315.44 : x
  2. Step 2: Convert to fraction form
    68,230.16/102,338.04 = 18,315.44/x
  3. Step 3: Cross multiply
    68,230.16x = 102,338.04 × 18,315.44
  4. Step 4: Simplify right side
    68,230.16x = 1,874,366,231.34
  5. Step 5: Solve for x
    x = 1,874,366,231.34/68,230.16
  6. Step 6: Final answer
    x = 27,471.23

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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.