Home / 214,110.86-321,171.48-71,958.20

Finding the Fourth Proportional to 214,110.86, 321,171.48 and 71,958.20

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Solution

The fourth proportional to 214,110.86, 321,171.48 and 71,958.20 is: 107,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,110.86 : 321,171.48 = 71,958.20 : x
  2. Step 2: Convert to fraction form
    214,110.86/321,171.48 = 71,958.20/x
  3. Step 3: Cross multiply
    214,110.86x = 321,171.48 × 71,958.20
  4. Step 4: Simplify right side
    214,110.86x = 23,110,919,986.28
  5. Step 5: Solve for x
    x = 23,110,919,986.28/214,110.86
  6. Step 6: Final answer
    x = 107,939.04

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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.