Home / 214,081.06-321,166.68-80,958.37

Finding the Fourth Proportional to 214,081.06, 321,166.68 and 80,958.37

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Solution

The fourth proportional to 214,081.06, 321,166.68 and 80,958.37 is: 121,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,081.06 : 321,166.68 = 80,958.37 : x
  2. Step 2: Convert to fraction form
    214,081.06/321,166.68 = 80,958.37/x
  3. Step 3: Cross multiply
    214,081.06x = 321,166.68 × 80,958.37
  4. Step 4: Simplify right side
    214,081.06x = 26,001,130,911.11
  5. Step 5: Solve for x
    x = 26,001,130,911.11/214,081.06
  6. Step 6: Final answer
    x = 121,454.61

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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.