Home / 263,597.92-363,764.47-142,739.20

Finding the Fourth Proportional to 263,597.92, 363,764.47 and 142,739.20

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Solution

The fourth proportional to 263,597.92, 363,764.47 and 142,739.20 is: 196,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,597.92 : 363,764.47 = 142,739.20 : x
  2. Step 2: Convert to fraction form
    263,597.92/363,764.47 = 142,739.20/x
  3. Step 3: Cross multiply
    263,597.92x = 363,764.47 × 142,739.20
  4. Step 4: Simplify right side
    263,597.92x = 51,923,447,260.55
  5. Step 5: Solve for x
    x = 51,923,447,260.55/263,597.92
  6. Step 6: Final answer
    x = 196,979.73

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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.