Home / 248,067.90-342,305.19-140,616.54

Finding the Fourth Proportional to 248,067.90, 342,305.19 and 140,616.54

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Solution

The fourth proportional to 248,067.90, 342,305.19 and 140,616.54 is: 194,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,067.90 : 342,305.19 = 140,616.54 : x
  2. Step 2: Convert to fraction form
    248,067.90/342,305.19 = 140,616.54/x
  3. Step 3: Cross multiply
    248,067.90x = 342,305.19 × 140,616.54
  4. Step 4: Simplify right side
    248,067.90x = 48,133,771,441.84
  5. Step 5: Solve for x
    x = 48,133,771,441.84/248,067.90
  6. Step 6: Final answer
    x = 194,034.66

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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.