Home / 248,696.38-343,200.94-135,519.13

Finding the Fourth Proportional to 248,696.38, 343,200.94 and 135,519.13

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Solution

The fourth proportional to 248,696.38, 343,200.94 and 135,519.13 is: 187,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,696.38 : 343,200.94 = 135,519.13 : x
  2. Step 2: Convert to fraction form
    248,696.38/343,200.94 = 135,519.13/x
  3. Step 3: Cross multiply
    248,696.38x = 343,200.94 × 135,519.13
  4. Step 4: Simplify right side
    248,696.38x = 46,510,292,803.98
  5. Step 5: Solve for x
    x = 46,510,292,803.98/248,696.38
  6. Step 6: Final answer
    x = 187,016.36

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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.