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Finding the Fourth Proportional to 104,625.90, 156,926.70 and 29,757.60

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Solution

The fourth proportional to 104,625.90, 156,926.70 and 29,757.60 is: 44,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,625.90 : 156,926.70 = 29,757.60 : x
  2. Step 2: Convert to fraction form
    104,625.90/156,926.70 = 29,757.60/x
  3. Step 3: Cross multiply
    104,625.90x = 156,926.70 × 29,757.60
  4. Step 4: Simplify right side
    104,625.90x = 4,669,761,967.92
  5. Step 5: Solve for x
    x = 4,669,761,967.92/104,625.90
  6. Step 6: Final answer
    x = 44,632.94

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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.