Home / 263,684.82-363,885.12-142,825.73

Finding the Fourth Proportional to 263,684.82, 363,885.12 and 142,825.73

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Solution

The fourth proportional to 263,684.82, 363,885.12 and 142,825.73 is: 197,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,684.82 : 363,885.12 = 142,825.73 : x
  2. Step 2: Convert to fraction form
    263,684.82/363,885.12 = 142,825.73/x
  3. Step 3: Cross multiply
    263,684.82x = 363,885.12 × 142,825.73
  4. Step 4: Simplify right side
    263,684.82x = 51,972,156,633.36
  5. Step 5: Solve for x
    x = 51,972,156,633.36/263,684.82
  6. Step 6: Final answer
    x = 197,099.54

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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.