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Finding the Fourth Proportional to 172,935.75, 238,610.71 and 104,951.22

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Solution

The fourth proportional to 172,935.75, 238,610.71 and 104,951.22 is: 144,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,935.75 : 238,610.71 = 104,951.22 : x
  2. Step 2: Convert to fraction form
    172,935.75/238,610.71 = 104,951.22/x
  3. Step 3: Cross multiply
    172,935.75x = 238,610.71 × 104,951.22
  4. Step 4: Simplify right side
    172,935.75x = 25,042,485,119.57
  5. Step 5: Solve for x
    x = 25,042,485,119.57/172,935.75
  6. Step 6: Final answer
    x = 144,808.03

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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.