Home / 107,694.36-161,528.82-28,814.76

Finding the Fourth Proportional to 107,694.36, 161,528.82 and 28,814.76

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Solution

The fourth proportional to 107,694.36, 161,528.82 and 28,814.76 is: 43,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,694.36 : 161,528.82 = 28,814.76 : x
  2. Step 2: Convert to fraction form
    107,694.36/161,528.82 = 28,814.76/x
  3. Step 3: Cross multiply
    107,694.36x = 161,528.82 × 28,814.76
  4. Step 4: Simplify right side
    107,694.36x = 4,654,414,181.38
  5. Step 5: Solve for x
    x = 4,654,414,181.38/107,694.36
  6. Step 6: Final answer
    x = 43,218.74

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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.