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Finding the Fourth Proportional to 116,166.77, 173,809.97 and 68,807.27

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Solution

The fourth proportional to 116,166.77, 173,809.97 and 68,807.27 is: 102,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,166.77 : 173,809.97 = 68,807.27 : x
  2. Step 2: Convert to fraction form
    116,166.77/173,809.97 = 68,807.27/x
  3. Step 3: Cross multiply
    116,166.77x = 173,809.97 × 68,807.27
  4. Step 4: Simplify right side
    116,166.77x = 11,959,389,190.45
  5. Step 5: Solve for x
    x = 11,959,389,190.45/116,166.77
  6. Step 6: Final answer
    x = 102,950.17

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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.