Home / 214,873.92-322,310.88-81,723.42

Finding the Fourth Proportional to 214,873.92, 322,310.88 and 81,723.42

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Solution

The fourth proportional to 214,873.92, 322,310.88 and 81,723.42 is: 122,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,873.92 : 322,310.88 = 81,723.42 : x
  2. Step 2: Convert to fraction form
    214,873.92/322,310.88 = 81,723.42/x
  3. Step 3: Cross multiply
    214,873.92x = 322,310.88 × 81,723.42
  4. Step 4: Simplify right side
    214,873.92x = 26,340,347,416.81
  5. Step 5: Solve for x
    x = 26,340,347,416.81/214,873.92
  6. Step 6: Final answer
    x = 122,585.13

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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.