Home / 248,900.14-343,481.56-135,722.89

Finding the Fourth Proportional to 248,900.14, 343,481.56 and 135,722.89

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Solution

The fourth proportional to 248,900.14, 343,481.56 and 135,722.89 is: 187,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,900.14 : 343,481.56 = 135,722.89 : x
  2. Step 2: Convert to fraction form
    248,900.14/343,481.56 = 135,722.89/x
  3. Step 3: Cross multiply
    248,900.14x = 343,481.56 × 135,722.89
  4. Step 4: Simplify right side
    248,900.14x = 46,618,310,838.39
  5. Step 5: Solve for x
    x = 46,618,310,838.39/248,900.14
  6. Step 6: Final answer
    x = 187,297.25

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1.5x scale

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.