Home / 239,212.89-358,124.36-139,067.73

Finding the Fourth Proportional to 239,212.89, 358,124.36 and 139,067.73

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Solution

The fourth proportional to 239,212.89, 358,124.36 and 139,067.73 is: 208,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,212.89 : 358,124.36 = 139,067.73 : x
  2. Step 2: Convert to fraction form
    239,212.89/358,124.36 = 139,067.73/x
  3. Step 3: Cross multiply
    239,212.89x = 358,124.36 × 139,067.73
  4. Step 4: Simplify right side
    239,212.89x = 49,803,541,107.56
  5. Step 5: Solve for x
    x = 49,803,541,107.56/239,212.89
  6. Step 6: Final answer
    x = 208,197.56

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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.