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Finding the Fourth Proportional to 183,139.49, 274,217.06 and 116,217.29

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Solution

The fourth proportional to 183,139.49, 274,217.06 and 116,217.29 is: 174,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,139.49 : 274,217.06 = 116,217.29 : x
  2. Step 2: Convert to fraction form
    183,139.49/274,217.06 = 116,217.29/x
  3. Step 3: Cross multiply
    183,139.49x = 274,217.06 × 116,217.29
  4. Step 4: Simplify right side
    183,139.49x = 31,868,763,584.97
  5. Step 5: Solve for x
    x = 31,868,763,584.97/183,139.49
  6. Step 6: Final answer
    x = 174,013.61

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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.