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Finding the Fourth Proportional to 146,753.57, 220,204.22 and 109,388.68

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Solution

The fourth proportional to 146,753.57, 220,204.22 and 109,388.68 is: 164,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,753.57 : 220,204.22 = 109,388.68 : x
  2. Step 2: Convert to fraction form
    146,753.57/220,204.22 = 109,388.68/x
  3. Step 3: Cross multiply
    146,753.57x = 220,204.22 × 109,388.68
  4. Step 4: Simplify right side
    146,753.57x = 24,087,848,474.09
  5. Step 5: Solve for x
    x = 24,087,848,474.09/146,753.57
  6. Step 6: Final answer
    x = 164,138.07

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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.