Home / 214,253.34-321,305.94-87,857.70

Finding the Fourth Proportional to 214,253.34, 321,305.94 and 87,857.70

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Solution

The fourth proportional to 214,253.34, 321,305.94 and 87,857.70 is: 131,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,253.34 : 321,305.94 = 87,857.70 : x
  2. Step 2: Convert to fraction form
    214,253.34/321,305.94 = 87,857.70/x
  3. Step 3: Cross multiply
    214,253.34x = 321,305.94 × 87,857.70
  4. Step 4: Simplify right side
    214,253.34x = 28,229,200,884.74
  5. Step 5: Solve for x
    x = 28,229,200,884.74/214,253.34
  6. Step 6: Final answer
    x = 131,756.18

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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.