Home / 214,756.87-321,892.26-109,353.19

Finding the Fourth Proportional to 214,756.87, 321,892.26 and 109,353.19

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Solution

The fourth proportional to 214,756.87, 321,892.26 and 109,353.19 is: 163,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,756.87 : 321,892.26 = 109,353.19 : x
  2. Step 2: Convert to fraction form
    214,756.87/321,892.26 = 109,353.19/x
  3. Step 3: Cross multiply
    214,756.87x = 321,892.26 × 109,353.19
  4. Step 4: Simplify right side
    214,756.87x = 35,199,945,467.31
  5. Step 5: Solve for x
    x = 35,199,945,467.31/214,756.87
  6. Step 6: Final answer
    x = 163,906.03

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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.