Home / 214,144.40-321,035.97-135,084.35

Finding the Fourth Proportional to 214,144.40, 321,035.97 and 135,084.35

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Solution

The fourth proportional to 214,144.40, 321,035.97 and 135,084.35 is: 202,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,144.40 : 321,035.97 = 135,084.35 : x
  2. Step 2: Convert to fraction form
    214,144.40/321,035.97 = 135,084.35/x
  3. Step 3: Cross multiply
    214,144.40x = 321,035.97 × 135,084.35
  4. Step 4: Simplify right side
    214,144.40x = 43,366,935,334.07
  5. Step 5: Solve for x
    x = 43,366,935,334.07/214,144.40
  6. Step 6: Final answer
    x = 202,512.58

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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.