Home / 106,578.66-159,868-54,003.18

Finding the Fourth Proportional to 106,578.66, 159,868 and 54,003.18

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Solution

The fourth proportional to 106,578.66, 159,868 and 54,003.18 is: 81,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,578.66 : 159,868 = 54,003.18 : x
  2. Step 2: Convert to fraction form
    106,578.66/159,868 = 54,003.18/x
  3. Step 3: Cross multiply
    106,578.66x = 159,868 × 54,003.18
  4. Step 4: Simplify right side
    106,578.66x = 8,633,380,380.24
  5. Step 5: Solve for x
    x = 8,633,380,380.24/106,578.66
  6. Step 6: Final answer
    x = 81,004.78

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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.