Home / 172,299.30-258,185.16-115,930.62

Finding the Fourth Proportional to 172,299.30, 258,185.16 and 115,930.62

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Solution

The fourth proportional to 172,299.30, 258,185.16 and 115,930.62 is: 173,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299.30 : 258,185.16 = 115,930.62 : x
  2. Step 2: Convert to fraction form
    172,299.30/258,185.16 = 115,930.62/x
  3. Step 3: Cross multiply
    172,299.30x = 258,185.16 × 115,930.62
  4. Step 4: Simplify right side
    172,299.30x = 29,931,565,673.60
  5. Step 5: Solve for x
    x = 29,931,565,673.60/172,299.30
  6. Step 6: Final answer
    x = 173,718.44

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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.