Home / 91,183.75-125,834.92-50,900.56

Finding the Fourth Proportional to 91,183.75, 125,834.92 and 50,900.56

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Solution

The fourth proportional to 91,183.75, 125,834.92 and 50,900.56 is: 70,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.75 : 125,834.92 = 50,900.56 : x
  2. Step 2: Convert to fraction form
    91,183.75/125,834.92 = 50,900.56/x
  3. Step 3: Cross multiply
    91,183.75x = 125,834.92 × 50,900.56
  4. Step 4: Simplify right side
    91,183.75x = 6,405,067,453.72
  5. Step 5: Solve for x
    x = 6,405,067,453.72/91,183.75
  6. Step 6: Final answer
    x = 70,243.52

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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.