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Finding the Fourth Proportional to 104,465.52, 156,704.94 and 29,591.60

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Solution

The fourth proportional to 104,465.52, 156,704.94 and 29,591.60 is: 44,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.52 : 156,704.94 = 29,591.60 : x
  2. Step 2: Convert to fraction form
    104,465.52/156,704.94 = 29,591.60/x
  3. Step 3: Cross multiply
    104,465.52x = 156,704.94 × 29,591.60
  4. Step 4: Simplify right side
    104,465.52x = 4,637,149,902.50
  5. Step 5: Solve for x
    x = 4,637,149,902.50/104,465.52
  6. Step 6: Final answer
    x = 44,389.29

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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.