Home / 81,544.26-122,157.24-56,183.94

Finding the Fourth Proportional to 81,544.26, 122,157.24 and 56,183.94

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Solution

The fourth proportional to 81,544.26, 122,157.24 and 56,183.94 is: 84,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,544.26 : 122,157.24 = 56,183.94 : x
  2. Step 2: Convert to fraction form
    81,544.26/122,157.24 = 56,183.94/x
  3. Step 3: Cross multiply
    81,544.26x = 122,157.24 × 56,183.94
  4. Step 4: Simplify right side
    81,544.26x = 6,863,275,042.73
  5. Step 5: Solve for x
    x = 6,863,275,042.73/81,544.26
  6. Step 6: Final answer
    x = 84,166.26

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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.