Home / 165,505.38-248,149.26-109,173.66

Finding the Fourth Proportional to 165,505.38, 248,149.26 and 109,173.66

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Solution

The fourth proportional to 165,505.38, 248,149.26 and 109,173.66 is: 163,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,505.38 : 248,149.26 = 109,173.66 : x
  2. Step 2: Convert to fraction form
    165,505.38/248,149.26 = 109,173.66/x
  3. Step 3: Cross multiply
    165,505.38x = 248,149.26 × 109,173.66
  4. Step 4: Simplify right side
    165,505.38x = 27,091,362,940.49
  5. Step 5: Solve for x
    x = 27,091,362,940.49/165,505.38
  6. Step 6: Final answer
    x = 163,688.71

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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.