Home / 107,486.82-161,231.85-40,930.64

Finding the Fourth Proportional to 107,486.82, 161,231.85 and 40,930.64

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Solution

The fourth proportional to 107,486.82, 161,231.85 and 40,930.64 is: 61,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,486.82 : 161,231.85 = 40,930.64 : x
  2. Step 2: Convert to fraction form
    107,486.82/161,231.85 = 40,930.64/x
  3. Step 3: Cross multiply
    107,486.82x = 161,231.85 × 40,930.64
  4. Step 4: Simplify right side
    107,486.82x = 6,599,322,607.34
  5. Step 5: Solve for x
    x = 6,599,322,607.34/107,486.82
  6. Step 6: Final answer
    x = 61,396.58

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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.