Home / 252,911.39-379,392.62-82,125.96

Finding the Fourth Proportional to 252,911.39, 379,392.62 and 82,125.96

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Solution

The fourth proportional to 252,911.39, 379,392.62 and 82,125.96 is: 123,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,911.39 : 379,392.62 = 82,125.96 : x
  2. Step 2: Convert to fraction form
    252,911.39/379,392.62 = 82,125.96/x
  3. Step 3: Cross multiply
    252,911.39x = 379,392.62 × 82,125.96
  4. Step 4: Simplify right side
    252,911.39x = 31,157,983,134.42
  5. Step 5: Solve for x
    x = 31,157,983,134.42/252,911.39
  6. Step 6: Final answer
    x = 123,197.23

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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.