Home / 214,911.78-321,924.66-125,895.43

Finding the Fourth Proportional to 214,911.78, 321,924.66 and 125,895.43

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Solution

The fourth proportional to 214,911.78, 321,924.66 and 125,895.43 is: 188,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,911.78 : 321,924.66 = 125,895.43 : x
  2. Step 2: Convert to fraction form
    214,911.78/321,924.66 = 125,895.43/x
  3. Step 3: Cross multiply
    214,911.78x = 321,924.66 × 125,895.43
  4. Step 4: Simplify right side
    214,911.78x = 40,528,843,498.30
  5. Step 5: Solve for x
    x = 40,528,843,498.30/214,911.78
  6. Step 6: Final answer
    x = 188,583.63

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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.