Home / 248,351.38-342,725.55-140,921.12

Finding the Fourth Proportional to 248,351.38, 342,725.55 and 140,921.12

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Solution

The fourth proportional to 248,351.38, 342,725.55 and 140,921.12 is: 194,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,351.38 : 342,725.55 = 140,921.12 : x
  2. Step 2: Convert to fraction form
    248,351.38/342,725.55 = 140,921.12/x
  3. Step 3: Cross multiply
    248,351.38x = 342,725.55 × 140,921.12
  4. Step 4: Simplify right side
    248,351.38x = 48,297,268,358.62
  5. Step 5: Solve for x
    x = 48,297,268,358.62/248,351.38
  6. Step 6: Final answer
    x = 194,471.51

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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.