Home / 214,063.16-321,159.52-80,984.20

Finding the Fourth Proportional to 214,063.16, 321,159.52 and 80,984.20

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Solution

The fourth proportional to 214,063.16, 321,159.52 and 80,984.20 is: 121,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,063.16 : 321,159.52 = 80,984.20 : x
  2. Step 2: Convert to fraction form
    214,063.16/321,159.52 = 80,984.20/x
  3. Step 3: Cross multiply
    214,063.16x = 321,159.52 × 80,984.20
  4. Step 4: Simplify right side
    214,063.16x = 26,008,846,799.58
  5. Step 5: Solve for x
    x = 26,008,846,799.58/214,063.16
  6. Step 6: Final answer
    x = 121,500.81

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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.