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Finding the Fourth Proportional to 179,137.86, 268,647.93 and 79,295.91

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Solution

The fourth proportional to 179,137.86, 268,647.93 and 79,295.91 is: 118,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,137.86 : 268,647.93 = 79,295.91 : x
  2. Step 2: Convert to fraction form
    179,137.86/268,647.93 = 79,295.91/x
  3. Step 3: Cross multiply
    179,137.86x = 268,647.93 × 79,295.91
  4. Step 4: Simplify right side
    179,137.86x = 21,302,682,078.97
  5. Step 5: Solve for x
    x = 21,302,682,078.97/179,137.86
  6. Step 6: Final answer
    x = 118,917.81

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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.