Home / 126,996.52-190,236.38-82,488.36

Finding the Fourth Proportional to 126,996.52, 190,236.38 and 82,488.36

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Solution

The fourth proportional to 126,996.52, 190,236.38 and 82,488.36 is: 123,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,996.52 : 190,236.38 = 82,488.36 : x
  2. Step 2: Convert to fraction form
    126,996.52/190,236.38 = 82,488.36/x
  3. Step 3: Cross multiply
    126,996.52x = 190,236.38 × 82,488.36
  4. Step 4: Simplify right side
    126,996.52x = 15,692,286,998.54
  5. Step 5: Solve for x
    x = 15,692,286,998.54/126,996.52
  6. Step 6: Final answer
    x = 123,564.70

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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.