Home / 126,042.23-188,969.25-54,951.36

Finding the Fourth Proportional to 126,042.23, 188,969.25 and 54,951.36

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Solution

The fourth proportional to 126,042.23, 188,969.25 and 54,951.36 is: 82,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042.23 : 188,969.25 = 54,951.36 : x
  2. Step 2: Convert to fraction form
    126,042.23/188,969.25 = 54,951.36/x
  3. Step 3: Cross multiply
    126,042.23x = 188,969.25 × 54,951.36
  4. Step 4: Simplify right side
    126,042.23x = 10,384,117,846.07
  5. Step 5: Solve for x
    x = 10,384,117,846.07/126,042.23
  6. Step 6: Final answer
    x = 82,386.02

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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.