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Finding the Fourth Proportional to 161,544.58, 242,456.90 and 161,170.97

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Solution

The fourth proportional to 161,544.58, 242,456.90 and 161,170.97 is: 241,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,544.58 : 242,456.90 = 161,170.97 : x
  2. Step 2: Convert to fraction form
    161,544.58/242,456.90 = 161,170.97/x
  3. Step 3: Cross multiply
    161,544.58x = 242,456.90 × 161,170.97
  4. Step 4: Simplify right side
    161,544.58x = 39,077,011,738.05
  5. Step 5: Solve for x
    x = 39,077,011,738.05/161,544.58
  6. Step 6: Final answer
    x = 241,896.15

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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.