Home / 106,436.82-146,730.24-83,736.44

Finding the Fourth Proportional to 106,436.82, 146,730.24 and 83,736.44

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Solution

The fourth proportional to 106,436.82, 146,730.24 and 83,736.44 is: 115,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,436.82 : 146,730.24 = 83,736.44 : x
  2. Step 2: Convert to fraction form
    106,436.82/146,730.24 = 83,736.44/x
  3. Step 3: Cross multiply
    106,436.82x = 146,730.24 × 83,736.44
  4. Step 4: Simplify right side
    106,436.82x = 12,286,667,937.95
  5. Step 5: Solve for x
    x = 12,286,667,937.95/106,436.82
  6. Step 6: Final answer
    x = 115,436.26

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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.