Home / 248,081.43-342,342.05-140,658.73

Finding the Fourth Proportional to 248,081.43, 342,342.05 and 140,658.73

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Solution

The fourth proportional to 248,081.43, 342,342.05 and 140,658.73 is: 194,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,081.43 : 342,342.05 = 140,658.73 : x
  2. Step 2: Convert to fraction form
    248,081.43/342,342.05 = 140,658.73/x
  3. Step 3: Cross multiply
    248,081.43x = 342,342.05 × 140,658.73
  4. Step 4: Simplify right side
    248,081.43x = 48,153,396,419.45
  5. Step 5: Solve for x
    x = 48,153,396,419.45/248,081.43
  6. Step 6: Final answer
    x = 194,103.18

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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.