Home / 146,738.20-220,107.30-68,006.20

Finding the Fourth Proportional to 146,738.20, 220,107.30 and 68,006.20

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Solution

The fourth proportional to 146,738.20, 220,107.30 and 68,006.20 is: 102,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.20 : 220,107.30 = 68,006.20 : x
  2. Step 2: Convert to fraction form
    146,738.20/220,107.30 = 68,006.20/x
  3. Step 3: Cross multiply
    146,738.20x = 220,107.30 × 68,006.20
  4. Step 4: Simplify right side
    146,738.20x = 14,968,661,065.26
  5. Step 5: Solve for x
    x = 14,968,661,065.26/146,738.20
  6. Step 6: Final answer
    x = 102,009.30

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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.