Home / 248,505.94-342,917.97-139,604.36

Finding the Fourth Proportional to 248,505.94, 342,917.97 and 139,604.36

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Solution

The fourth proportional to 248,505.94, 342,917.97 and 139,604.36 is: 192,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,505.94 : 342,917.97 = 139,604.36 : x
  2. Step 2: Convert to fraction form
    248,505.94/342,917.97 = 139,604.36/x
  3. Step 3: Cross multiply
    248,505.94x = 342,917.97 × 139,604.36
  4. Step 4: Simplify right side
    248,505.94x = 47,872,843,734.35
  5. Step 5: Solve for x
    x = 47,872,843,734.35/248,505.94
  6. Step 6: Final answer
    x = 192,642.65

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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.