Home / 248,729.75-343,249.49-135,554.93

Finding the Fourth Proportional to 248,729.75, 343,249.49 and 135,554.93

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Solution

The fourth proportional to 248,729.75, 343,249.49 and 135,554.93 is: 187,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,729.75 : 343,249.49 = 135,554.93 : x
  2. Step 2: Convert to fraction form
    248,729.75/343,249.49 = 135,554.93/x
  3. Step 3: Cross multiply
    248,729.75x = 343,249.49 × 135,554.93
  4. Step 4: Simplify right side
    248,729.75x = 46,529,160,589.49
  5. Step 5: Solve for x
    x = 46,529,160,589.49/248,729.75
  6. Step 6: Final answer
    x = 187,067.13

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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.