Home / 109,408.05-164,046.46-50,169.51

Finding the Fourth Proportional to 109,408.05, 164,046.46 and 50,169.51

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Solution

The fourth proportional to 109,408.05, 164,046.46 and 50,169.51 is: 75,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408.05 : 164,046.46 = 50,169.51 : x
  2. Step 2: Convert to fraction form
    109,408.05/164,046.46 = 50,169.51/x
  3. Step 3: Cross multiply
    109,408.05x = 164,046.46 × 50,169.51
  4. Step 4: Simplify right side
    109,408.05x = 8,230,130,515.43
  5. Step 5: Solve for x
    x = 8,230,130,515.43/109,408.05
  6. Step 6: Final answer
    x = 75,224.18

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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.