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Finding the Fourth Proportional to 104,333.69, 156,511.80 and 33,239.55

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Solution

The fourth proportional to 104,333.69, 156,511.80 and 33,239.55 is: 49,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,333.69 : 156,511.80 = 33,239.55 : x
  2. Step 2: Convert to fraction form
    104,333.69/156,511.80 = 33,239.55/x
  3. Step 3: Cross multiply
    104,333.69x = 156,511.80 × 33,239.55
  4. Step 4: Simplify right side
    104,333.69x = 5,202,381,801.69
  5. Step 5: Solve for x
    x = 5,202,381,801.69/104,333.69
  6. Step 6: Final answer
    x = 49,862.92

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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.