Home / 133,067.60-199,601.40-115,182.80

Finding the Fourth Proportional to 133,067.60, 199,601.40 and 115,182.80

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Solution

The fourth proportional to 133,067.60, 199,601.40 and 115,182.80 is: 172,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.60 : 199,601.40 = 115,182.80 : x
  2. Step 2: Convert to fraction form
    133,067.60/199,601.40 = 115,182.80/x
  3. Step 3: Cross multiply
    133,067.60x = 199,601.40 × 115,182.80
  4. Step 4: Simplify right side
    133,067.60x = 22,990,648,135.92
  5. Step 5: Solve for x
    x = 22,990,648,135.92/133,067.60
  6. Step 6: Final answer
    x = 172,774.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.