Home / 179,431.97-268,946.79-72,791.15

Finding the Fourth Proportional to 179,431.97, 268,946.79 and 72,791.15

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Solution

The fourth proportional to 179,431.97, 268,946.79 and 72,791.15 is: 109,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,431.97 : 268,946.79 = 72,791.15 : x
  2. Step 2: Convert to fraction form
    179,431.97/268,946.79 = 72,791.15/x
  3. Step 3: Cross multiply
    179,431.97x = 268,946.79 × 72,791.15
  4. Step 4: Simplify right side
    179,431.97x = 19,576,946,132.91
  5. Step 5: Solve for x
    x = 19,576,946,132.91/179,431.97
  6. Step 6: Final answer
    x = 109,105.12

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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.