Home / 214,928.72-321,949.97-125,912.35

Finding the Fourth Proportional to 214,928.72, 321,949.97 and 125,912.35

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Solution

The fourth proportional to 214,928.72, 321,949.97 and 125,912.35 is: 188,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,928.72 : 321,949.97 = 125,912.35 : x
  2. Step 2: Convert to fraction form
    214,928.72/321,949.97 = 125,912.35/x
  3. Step 3: Cross multiply
    214,928.72x = 321,949.97 × 125,912.35
  4. Step 4: Simplify right side
    214,928.72x = 40,537,477,550.18
  5. Step 5: Solve for x
    x = 40,537,477,550.18/214,928.72
  6. Step 6: Final answer
    x = 188,608.94

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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.