Home / 214,088.33-321,137.70-71,935.64

Finding the Fourth Proportional to 214,088.33, 321,137.70 and 71,935.64

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Solution

The fourth proportional to 214,088.33, 321,137.70 and 71,935.64 is: 107,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,088.33 : 321,137.70 = 71,935.64 : x
  2. Step 2: Convert to fraction form
    214,088.33/321,137.70 = 71,935.64/x
  3. Step 3: Cross multiply
    214,088.33x = 321,137.70 × 71,935.64
  4. Step 4: Simplify right side
    214,088.33x = 23,101,247,112.85
  5. Step 5: Solve for x
    x = 23,101,247,112.85/214,088.33
  6. Step 6: Final answer
    x = 107,905.21

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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.