Home / 248,083.43-342,344.80-140,660.73

Finding the Fourth Proportional to 248,083.43, 342,344.80 and 140,660.73

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Solution

The fourth proportional to 248,083.43, 342,344.80 and 140,660.73 is: 194,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,083.43 : 342,344.80 = 140,660.73 : x
  2. Step 2: Convert to fraction form
    248,083.43/342,344.80 = 140,660.73/x
  3. Step 3: Cross multiply
    248,083.43x = 342,344.80 × 140,660.73
  4. Step 4: Simplify right side
    248,083.43x = 48,154,469,479.70
  5. Step 5: Solve for x
    x = 48,154,469,479.70/248,083.43
  6. Step 6: Final answer
    x = 194,105.95

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1.5x scale

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.