Home / 252,982.05-379,729.85-126,712.77

Finding the Fourth Proportional to 252,982.05, 379,729.85 and 126,712.77

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Solution

The fourth proportional to 252,982.05, 379,729.85 and 126,712.77 is: 190,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,982.05 : 379,729.85 = 126,712.77 : x
  2. Step 2: Convert to fraction form
    252,982.05/379,729.85 = 126,712.77/x
  3. Step 3: Cross multiply
    252,982.05x = 379,729.85 × 126,712.77
  4. Step 4: Simplify right side
    252,982.05x = 48,116,620,511.62
  5. Step 5: Solve for x
    x = 48,116,620,511.62/252,982.05
  6. Step 6: Final answer
    x = 190,197.77

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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.