Home / 90,910.54-136,380.24-27,716.19

Finding the Fourth Proportional to 90,910.54, 136,380.24 and 27,716.19

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Solution

The fourth proportional to 90,910.54, 136,380.24 and 27,716.19 is: 41,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,910.54 : 136,380.24 = 27,716.19 : x
  2. Step 2: Convert to fraction form
    90,910.54/136,380.24 = 27,716.19/x
  3. Step 3: Cross multiply
    90,910.54x = 136,380.24 × 27,716.19
  4. Step 4: Simplify right side
    90,910.54x = 3,779,940,644.09
  5. Step 5: Solve for x
    x = 3,779,940,644.09/90,910.54
  6. Step 6: Final answer
    x = 41,578.68

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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.