Home / 269,147.96-403,420.19-109,186.73

Finding the Fourth Proportional to 269,147.96, 403,420.19 and 109,186.73

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Solution

The fourth proportional to 269,147.96, 403,420.19 and 109,186.73 is: 163,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,147.96 : 403,420.19 = 109,186.73 : x
  2. Step 2: Convert to fraction form
    269,147.96/403,420.19 = 109,186.73/x
  3. Step 3: Cross multiply
    269,147.96x = 403,420.19 × 109,186.73
  4. Step 4: Simplify right side
    269,147.96x = 44,048,128,799.04
  5. Step 5: Solve for x
    x = 44,048,128,799.04/269,147.96
  6. Step 6: Final answer
    x = 163,657.68

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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.