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Finding the Fourth Proportional to 146,606.80, 219,910.20 and 63,662.80

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Solution

The fourth proportional to 146,606.80, 219,910.20 and 63,662.80 is: 95,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,606.80 : 219,910.20 = 63,662.80 : x
  2. Step 2: Convert to fraction form
    146,606.80/219,910.20 = 63,662.80/x
  3. Step 3: Cross multiply
    146,606.80x = 219,910.20 × 63,662.80
  4. Step 4: Simplify right side
    146,606.80x = 14,000,099,080.56
  5. Step 5: Solve for x
    x = 14,000,099,080.56/146,606.80
  6. Step 6: Final answer
    x = 95,494.20

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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.