Home / 68,546.03-102,818.90-18,633.38

Finding the Fourth Proportional to 68,546.03, 102,818.90 and 18,633.38

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Solution

The fourth proportional to 68,546.03, 102,818.90 and 18,633.38 is: 27,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,546.03 : 102,818.90 = 18,633.38 : x
  2. Step 2: Convert to fraction form
    68,546.03/102,818.90 = 18,633.38/x
  3. Step 3: Cross multiply
    68,546.03x = 102,818.90 × 18,633.38
  4. Step 4: Simplify right side
    68,546.03x = 1,915,863,027.62
  5. Step 5: Solve for x
    x = 1,915,863,027.62/68,546.03
  6. Step 6: Final answer
    x = 27,950.02

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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.