Home / 214,910.78-321,923.16-125,894.43

Finding the Fourth Proportional to 214,910.78, 321,923.16 and 125,894.43

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Solution

The fourth proportional to 214,910.78, 321,923.16 and 125,894.43 is: 188,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,910.78 : 321,923.16 = 125,894.43 : x
  2. Step 2: Convert to fraction form
    214,910.78/321,923.16 = 125,894.43/x
  3. Step 3: Cross multiply
    214,910.78x = 321,923.16 × 125,894.43
  4. Step 4: Simplify right side
    214,910.78x = 40,528,332,732.00
  5. Step 5: Solve for x
    x = 40,528,332,732.00/214,910.78
  6. Step 6: Final answer
    x = 188,582.13

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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.