Home / 106,418.33-146,704.65-83,717.87

Finding the Fourth Proportional to 106,418.33, 146,704.65 and 83,717.87

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Solution

The fourth proportional to 106,418.33, 146,704.65 and 83,717.87 is: 115,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,418.33 : 146,704.65 = 83,717.87 : x
  2. Step 2: Convert to fraction form
    106,418.33/146,704.65 = 83,717.87/x
  3. Step 3: Cross multiply
    106,418.33x = 146,704.65 × 83,717.87
  4. Step 4: Simplify right side
    106,418.33x = 12,281,800,083.57
  5. Step 5: Solve for x
    x = 12,281,800,083.57/106,418.33
  6. Step 6: Final answer
    x = 115,410.57

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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.