Home / 214,524.40-321,682.92-125,806.72

Finding the Fourth Proportional to 214,524.40, 321,682.92 and 125,806.72

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Solution

The fourth proportional to 214,524.40, 321,682.92 and 125,806.72 is: 188,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,524.40 : 321,682.92 = 125,806.72 : x
  2. Step 2: Convert to fraction form
    214,524.40/321,682.92 = 125,806.72/x
  3. Step 3: Cross multiply
    214,524.40x = 321,682.92 × 125,806.72
  4. Step 4: Simplify right side
    214,524.40x = 40,469,873,045.22
  5. Step 5: Solve for x
    x = 40,469,873,045.22/214,524.40
  6. Step 6: Final answer
    x = 188,649.28

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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.