Home / 214,697.72-321,556.06-102,456.75

Finding the Fourth Proportional to 214,697.72, 321,556.06 and 102,456.75

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Solution

The fourth proportional to 214,697.72, 321,556.06 and 102,456.75 is: 153,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,697.72 : 321,556.06 = 102,456.75 : x
  2. Step 2: Convert to fraction form
    214,697.72/321,556.06 = 102,456.75/x
  3. Step 3: Cross multiply
    214,697.72x = 321,556.06 × 102,456.75
  4. Step 4: Simplify right side
    214,697.72x = 32,945,588,338.12
  5. Step 5: Solve for x
    x = 32,945,588,338.12/214,697.72
  6. Step 6: Final answer
    x = 153,451.04

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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.