Home / 263,618.11-363,793.34-142,759.59

Finding the Fourth Proportional to 263,618.11, 363,793.34 and 142,759.59

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Solution

The fourth proportional to 263,618.11, 363,793.34 and 142,759.59 is: 197,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,618.11 : 363,793.34 = 142,759.59 : x
  2. Step 2: Convert to fraction form
    263,618.11/363,793.34 = 142,759.59/x
  3. Step 3: Cross multiply
    263,618.11x = 363,793.34 × 142,759.59
  4. Step 4: Simplify right side
    263,618.11x = 51,934,988,063.13
  5. Step 5: Solve for x
    x = 51,934,988,063.13/263,618.11
  6. Step 6: Final answer
    x = 197,008.42

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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.