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Finding the Fourth Proportional to 104,472.90, 156,651.03 and 34,346.34

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Solution

The fourth proportional to 104,472.90, 156,651.03 and 34,346.34 is: 51,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472.90 : 156,651.03 = 34,346.34 : x
  2. Step 2: Convert to fraction form
    104,472.90/156,651.03 = 34,346.34/x
  3. Step 3: Cross multiply
    104,472.90x = 156,651.03 × 34,346.34
  4. Step 4: Simplify right side
    104,472.90x = 5,380,389,537.73
  5. Step 5: Solve for x
    x = 5,380,389,537.73/104,472.90
  6. Step 6: Final answer
    x = 51,500.34

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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.