Home / 172,534.06-258,998.01-115,650.28

Finding the Fourth Proportional to 172,534.06, 258,998.01 and 115,650.28

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Solution

The fourth proportional to 172,534.06, 258,998.01 and 115,650.28 is: 173,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,534.06 : 258,998.01 = 115,650.28 : x
  2. Step 2: Convert to fraction form
    172,534.06/258,998.01 = 115,650.28/x
  3. Step 3: Cross multiply
    172,534.06x = 258,998.01 × 115,650.28
  4. Step 4: Simplify right side
    172,534.06x = 29,953,192,375.94
  5. Step 5: Solve for x
    x = 29,953,192,375.94/172,534.06
  6. Step 6: Final answer
    x = 173,607.42

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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.