Home / 248,371.88-342,743.68-140,935.50

Finding the Fourth Proportional to 248,371.88, 342,743.68 and 140,935.50

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Solution

The fourth proportional to 248,371.88, 342,743.68 and 140,935.50 is: 194,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,371.88 : 342,743.68 = 140,935.50 : x
  2. Step 2: Convert to fraction form
    248,371.88/342,743.68 = 140,935.50/x
  3. Step 3: Cross multiply
    248,371.88x = 342,743.68 × 140,935.50
  4. Step 4: Simplify right side
    248,371.88x = 48,304,751,912.64
  5. Step 5: Solve for x
    x = 48,304,751,912.64/248,371.88
  6. Step 6: Final answer
    x = 194,485.59

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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.