Home / 251,918.37-347,640.26-137,194.43

Finding the Fourth Proportional to 251,918.37, 347,640.26 and 137,194.43

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Solution

The fourth proportional to 251,918.37, 347,640.26 and 137,194.43 is: 189,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,918.37 : 347,640.26 = 137,194.43 : x
  2. Step 2: Convert to fraction form
    251,918.37/347,640.26 = 137,194.43/x
  3. Step 3: Cross multiply
    251,918.37x = 347,640.26 × 137,194.43
  4. Step 4: Simplify right side
    251,918.37x = 47,694,304,891.58
  5. Step 5: Solve for x
    x = 47,694,304,891.58/251,918.37
  6. Step 6: Final answer
    x = 189,324.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.