Home / 138,067.23-207,076.55-36,866.54

Finding the Fourth Proportional to 138,067.23, 207,076.55 and 36,866.54

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Solution

The fourth proportional to 138,067.23, 207,076.55 and 36,866.54 is: 55,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,067.23 : 207,076.55 = 36,866.54 : x
  2. Step 2: Convert to fraction form
    138,067.23/207,076.55 = 36,866.54/x
  3. Step 3: Cross multiply
    138,067.23x = 207,076.55 × 36,866.54
  4. Step 4: Simplify right side
    138,067.23x = 7,634,194,693.92
  5. Step 5: Solve for x
    x = 7,634,194,693.92/138,067.23
  6. Step 6: Final answer
    x = 55,293.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.