Home / 214,039.22-321,062.43-80,982.14

Finding the Fourth Proportional to 214,039.22, 321,062.43 and 80,982.14

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Solution

The fourth proportional to 214,039.22, 321,062.43 and 80,982.14 is: 121,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,039.22 : 321,062.43 = 80,982.14 : x
  2. Step 2: Convert to fraction form
    214,039.22/321,062.43 = 80,982.14/x
  3. Step 3: Cross multiply
    214,039.22x = 321,062.43 × 80,982.14
  4. Step 4: Simplify right side
    214,039.22x = 26,000,322,655.00
  5. Step 5: Solve for x
    x = 26,000,322,655.00/214,039.22
  6. Step 6: Final answer
    x = 121,474.57

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1.5x scale

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.