Home / 139,042.44-207,556.65-122,227.56

Finding the Fourth Proportional to 139,042.44, 207,556.65 and 122,227.56

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Solution

The fourth proportional to 139,042.44, 207,556.65 and 122,227.56 is: 182,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,042.44 : 207,556.65 = 122,227.56 : x
  2. Step 2: Convert to fraction form
    139,042.44/207,556.65 = 122,227.56/x
  3. Step 3: Cross multiply
    139,042.44x = 207,556.65 × 122,227.56
  4. Step 4: Simplify right side
    139,042.44x = 25,369,142,891.27
  5. Step 5: Solve for x
    x = 25,369,142,891.27/139,042.44
  6. Step 6: Final answer
    x = 182,456.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.