Home / 248,351.78-342,725.40-135,175.34

Finding the Fourth Proportional to 248,351.78, 342,725.40 and 135,175.34

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Solution

The fourth proportional to 248,351.78, 342,725.40 and 135,175.34 is: 186,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,351.78 : 342,725.40 = 135,175.34 : x
  2. Step 2: Convert to fraction form
    248,351.78/342,725.40 = 135,175.34/x
  3. Step 3: Cross multiply
    248,351.78x = 342,725.40 × 135,175.34
  4. Step 4: Simplify right side
    248,351.78x = 46,328,022,471.64
  5. Step 5: Solve for x
    x = 46,328,022,471.64/248,351.78
  6. Step 6: Final answer
    x = 186,541.94

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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.