Home / 106,530.39-146,949.93-68,276.34

Finding the Fourth Proportional to 106,530.39, 146,949.93 and 68,276.34

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Solution

The fourth proportional to 106,530.39, 146,949.93 and 68,276.34 is: 94,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,530.39 : 146,949.93 = 68,276.34 : x
  2. Step 2: Convert to fraction form
    106,530.39/146,949.93 = 68,276.34/x
  3. Step 3: Cross multiply
    106,530.39x = 146,949.93 × 68,276.34
  4. Step 4: Simplify right side
    106,530.39x = 10,033,203,383.66
  5. Step 5: Solve for x
    x = 10,033,203,383.66/106,530.39
  6. Step 6: Final answer
    x = 94,181.61

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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.