Home / 150,134.42-207,183.73-82,150.61

Finding the Fourth Proportional to 150,134.42, 207,183.73 and 82,150.61

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Solution

The fourth proportional to 150,134.42, 207,183.73 and 82,150.61 is: 113,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,134.42 : 207,183.73 = 82,150.61 : x
  2. Step 2: Convert to fraction form
    150,134.42/207,183.73 = 82,150.61/x
  3. Step 3: Cross multiply
    150,134.42x = 207,183.73 × 82,150.61
  4. Step 4: Simplify right side
    150,134.42x = 17,020,269,390.82
  5. Step 5: Solve for x
    x = 17,020,269,390.82/150,134.42
  6. Step 6: Final answer
    x = 113,366.87

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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.