Home / 248,485.31-342,819.68-140,993.09

Finding the Fourth Proportional to 248,485.31, 342,819.68 and 140,993.09

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Solution

The fourth proportional to 248,485.31, 342,819.68 and 140,993.09 is: 194,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,485.31 : 342,819.68 = 140,993.09 : x
  2. Step 2: Convert to fraction form
    248,485.31/342,819.68 = 140,993.09/x
  3. Step 3: Cross multiply
    248,485.31x = 342,819.68 × 140,993.09
  4. Step 4: Simplify right side
    248,485.31x = 48,335,203,576.95
  5. Step 5: Solve for x
    x = 48,335,203,576.95/248,485.31
  6. Step 6: Final answer
    x = 194,519.36

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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.