Home / 248,156.87-342,517.31-140,789.75

Finding the Fourth Proportional to 248,156.87, 342,517.31 and 140,789.75

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Solution

The fourth proportional to 248,156.87, 342,517.31 and 140,789.75 is: 194,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,156.87 : 342,517.31 = 140,789.75 : x
  2. Step 2: Convert to fraction form
    248,156.87/342,517.31 = 140,789.75/x
  3. Step 3: Cross multiply
    248,156.87x = 342,517.31 × 140,789.75
  4. Step 4: Simplify right side
    248,156.87x = 48,222,924,557.00
  5. Step 5: Solve for x
    x = 48,222,924,557.00/248,156.87
  6. Step 6: Final answer
    x = 194,324.36

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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.