Home / 172,734.60-258,516.68-106,216.86

Finding the Fourth Proportional to 172,734.60, 258,516.68 and 106,216.86

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Solution

The fourth proportional to 172,734.60, 258,516.68 and 106,216.86 is: 158,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,734.60 : 258,516.68 = 106,216.86 : x
  2. Step 2: Convert to fraction form
    172,734.60/258,516.68 = 106,216.86/x
  3. Step 3: Cross multiply
    172,734.60x = 258,516.68 × 106,216.86
  4. Step 4: Simplify right side
    172,734.60x = 27,458,829,476.14
  5. Step 5: Solve for x
    x = 27,458,829,476.14/172,734.60
  6. Step 6: Final answer
    x = 158,965.43

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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.