Home / 118,253.26-177,314.82-80,855.56

Finding the Fourth Proportional to 118,253.26, 177,314.82 and 80,855.56

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Solution

The fourth proportional to 118,253.26, 177,314.82 and 80,855.56 is: 121,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253.26 : 177,314.82 = 80,855.56 : x
  2. Step 2: Convert to fraction form
    118,253.26/177,314.82 = 80,855.56/x
  3. Step 3: Cross multiply
    118,253.26x = 177,314.82 × 80,855.56
  4. Step 4: Simplify right side
    118,253.26x = 14,336,889,067.40
  5. Step 5: Solve for x
    x = 14,336,889,067.40/118,253.26
  6. Step 6: Final answer
    x = 121,238.85

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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.