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Finding the Fourth Proportional to 173,266.97, 239,082.98 and 96,776.64

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Solution

The fourth proportional to 173,266.97, 239,082.98 and 96,776.64 is: 133,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,266.97 : 239,082.98 = 96,776.64 : x
  2. Step 2: Convert to fraction form
    173,266.97/239,082.98 = 96,776.64/x
  3. Step 3: Cross multiply
    173,266.97x = 239,082.98 × 96,776.64
  4. Step 4: Simplify right side
    173,266.97x = 23,137,647,001.70
  5. Step 5: Solve for x
    x = 23,137,647,001.70/173,266.97
  6. Step 6: Final answer
    x = 133,537.56

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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.