Home / 68,013.86-102,028.38-18,095.88

Finding the Fourth Proportional to 68,013.86, 102,028.38 and 18,095.88

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Solution

The fourth proportional to 68,013.86, 102,028.38 and 18,095.88 is: 27,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.86 : 102,028.38 = 18,095.88 : x
  2. Step 2: Convert to fraction form
    68,013.86/102,028.38 = 18,095.88/x
  3. Step 3: Cross multiply
    68,013.86x = 102,028.38 × 18,095.88
  4. Step 4: Simplify right side
    68,013.86x = 1,846,293,321.07
  5. Step 5: Solve for x
    x = 1,846,293,321.07/68,013.86
  6. Step 6: Final answer
    x = 27,145.84

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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.