Home / 172,826.26-258,841.10-166,842.18

Finding the Fourth Proportional to 172,826.26, 258,841.10 and 166,842.18

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Solution

The fourth proportional to 172,826.26, 258,841.10 and 166,842.18 is: 249,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,826.26 : 258,841.10 = 166,842.18 : x
  2. Step 2: Convert to fraction form
    172,826.26/258,841.10 = 166,842.18/x
  3. Step 3: Cross multiply
    172,826.26x = 258,841.10 × 166,842.18
  4. Step 4: Simplify right side
    172,826.26x = 43,185,613,814.70
  5. Step 5: Solve for x
    x = 43,185,613,814.70/172,826.26
  6. Step 6: Final answer
    x = 249,878.78

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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.