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Finding the Fourth Proportional to 104,149.30, 156,223.96 and 29,266.42

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Solution

The fourth proportional to 104,149.30, 156,223.96 and 29,266.42 is: 43,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.30 : 156,223.96 = 29,266.42 : x
  2. Step 2: Convert to fraction form
    104,149.30/156,223.96 = 29,266.42/x
  3. Step 3: Cross multiply
    104,149.30x = 156,223.96 × 29,266.42
  4. Step 4: Simplify right side
    104,149.30x = 4,572,116,027.42
  5. Step 5: Solve for x
    x = 4,572,116,027.42/104,149.30
  6. Step 6: Final answer
    x = 43,899.63

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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.