Home / 172,735.35-258,517.80-106,217.61

Finding the Fourth Proportional to 172,735.35, 258,517.80 and 106,217.61

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Solution

The fourth proportional to 172,735.35, 258,517.80 and 106,217.61 is: 158,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,735.35 : 258,517.80 = 106,217.61 : x
  2. Step 2: Convert to fraction form
    172,735.35/258,517.80 = 106,217.61/x
  3. Step 3: Cross multiply
    172,735.35x = 258,517.80 × 106,217.61
  4. Step 4: Simplify right side
    172,735.35x = 27,459,142,858.46
  5. Step 5: Solve for x
    x = 27,459,142,858.46/172,735.35
  6. Step 6: Final answer
    x = 158,966.55

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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.