Home / 214,169.55-321,255.05-54,245.43

Finding the Fourth Proportional to 214,169.55, 321,255.05 and 54,245.43

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Solution

The fourth proportional to 214,169.55, 321,255.05 and 54,245.43 is: 81,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,169.55 : 321,255.05 = 54,245.43 : x
  2. Step 2: Convert to fraction form
    214,169.55/321,255.05 = 54,245.43/x
  3. Step 3: Cross multiply
    214,169.55x = 321,255.05 × 54,245.43
  4. Step 4: Simplify right side
    214,169.55x = 17,426,618,055.69
  5. Step 5: Solve for x
    x = 17,426,618,055.69/214,169.55
  6. Step 6: Final answer
    x = 81,368.33

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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.