Home / 172,892.06-258,833.70-106,129.77

Finding the Fourth Proportional to 172,892.06, 258,833.70 and 106,129.77

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Solution

The fourth proportional to 172,892.06, 258,833.70 and 106,129.77 is: 158,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,892.06 : 258,833.70 = 106,129.77 : x
  2. Step 2: Convert to fraction form
    172,892.06/258,833.70 = 106,129.77/x
  3. Step 3: Cross multiply
    172,892.06x = 258,833.70 × 106,129.77
  4. Step 4: Simplify right side
    172,892.06x = 27,469,961,049.25
  5. Step 5: Solve for x
    x = 27,469,961,049.25/172,892.06
  6. Step 6: Final answer
    x = 158,885.04

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1.5x scale

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.