Home / 68,375.22-102,554.55-18,451.50

Finding the Fourth Proportional to 68,375.22, 102,554.55 and 18,451.50

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Solution

The fourth proportional to 68,375.22, 102,554.55 and 18,451.50 is: 27,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375.22 : 102,554.55 = 18,451.50 : x
  2. Step 2: Convert to fraction form
    68,375.22/102,554.55 = 18,451.50/x
  3. Step 3: Cross multiply
    68,375.22x = 102,554.55 × 18,451.50
  4. Step 4: Simplify right side
    68,375.22x = 1,892,285,279.33
  5. Step 5: Solve for x
    x = 1,892,285,279.33/68,375.22
  6. Step 6: Final answer
    x = 27,675.02

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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.