Home / 214,499.58-321,558.17-81,473.25

Finding the Fourth Proportional to 214,499.58, 321,558.17 and 81,473.25

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Solution

The fourth proportional to 214,499.58, 321,558.17 and 81,473.25 is: 122,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,499.58 : 321,558.17 = 81,473.25 : x
  2. Step 2: Convert to fraction form
    214,499.58/321,558.17 = 81,473.25/x
  3. Step 3: Cross multiply
    214,499.58x = 321,558.17 × 81,473.25
  4. Step 4: Simplify right side
    214,499.58x = 26,198,389,173.95
  5. Step 5: Solve for x
    x = 26,198,389,173.95/214,499.58
  6. Step 6: Final answer
    x = 122,137.25

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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.