Home / 214,202.56-321,350.82-81,083.92

Finding the Fourth Proportional to 214,202.56, 321,350.82 and 81,083.92

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Solution

The fourth proportional to 214,202.56, 321,350.82 and 81,083.92 is: 121,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,202.56 : 321,350.82 = 81,083.92 : x
  2. Step 2: Convert to fraction form
    214,202.56/321,350.82 = 81,083.92/x
  3. Step 3: Cross multiply
    214,202.56x = 321,350.82 × 81,083.92
  4. Step 4: Simplify right side
    214,202.56x = 26,056,384,180.81
  5. Step 5: Solve for x
    x = 26,056,384,180.81/214,202.56
  6. Step 6: Final answer
    x = 121,643.66

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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.