Home / 248,734.70-343,252.59-135,556.46

Finding the Fourth Proportional to 248,734.70, 343,252.59 and 135,556.46

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Solution

The fourth proportional to 248,734.70, 343,252.59 and 135,556.46 is: 187,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,734.70 : 343,252.59 = 135,556.46 : x
  2. Step 2: Convert to fraction form
    248,734.70/343,252.59 = 135,556.46/x
  3. Step 3: Cross multiply
    248,734.70x = 343,252.59 × 135,556.46
  4. Step 4: Simplify right side
    248,734.70x = 46,530,105,986.23
  5. Step 5: Solve for x
    x = 46,530,105,986.23/248,734.70
  6. Step 6: Final answer
    x = 187,067.21

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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.