Home / 106,501.20-146,906.50-68,247.88

Finding the Fourth Proportional to 106,501.20, 146,906.50 and 68,247.88

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Solution

The fourth proportional to 106,501.20, 146,906.50 and 68,247.88 is: 94,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,501.20 : 146,906.50 = 68,247.88 : x
  2. Step 2: Convert to fraction form
    106,501.20/146,906.50 = 68,247.88/x
  3. Step 3: Cross multiply
    106,501.20x = 146,906.50 × 68,247.88
  4. Step 4: Simplify right side
    106,501.20x = 10,026,057,183.22
  5. Step 5: Solve for x
    x = 10,026,057,183.22/106,501.20
  6. Step 6: Final answer
    x = 94,140.32

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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.