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Finding the Fourth Proportional to 104,307.74, 156,473.83 and 33,205.47

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Solution

The fourth proportional to 104,307.74, 156,473.83 and 33,205.47 is: 49,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.74 : 156,473.83 = 33,205.47 : x
  2. Step 2: Convert to fraction form
    104,307.74/156,473.83 = 33,205.47/x
  3. Step 3: Cross multiply
    104,307.74x = 156,473.83 × 33,205.47
  4. Step 4: Simplify right side
    104,307.74x = 5,195,787,067.85
  5. Step 5: Solve for x
    x = 5,195,787,067.85/104,307.74
  6. Step 6: Final answer
    x = 49,812.10

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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.