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Finding the Fourth Proportional to 104,396.73, 144,067.86 and 56,650.07

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Solution

The fourth proportional to 104,396.73, 144,067.86 and 56,650.07 is: 78,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,396.73 : 144,067.86 = 56,650.07 : x
  2. Step 2: Convert to fraction form
    104,396.73/144,067.86 = 56,650.07/x
  3. Step 3: Cross multiply
    104,396.73x = 144,067.86 × 56,650.07
  4. Step 4: Simplify right side
    104,396.73x = 8,161,454,353.75
  5. Step 5: Solve for x
    x = 8,161,454,353.75/104,396.73
  6. Step 6: Final answer
    x = 78,177.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.