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Finding the Fourth Proportional to 110,379.38, 165,593.67 and 40,258.69

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Solution

The fourth proportional to 110,379.38, 165,593.67 and 40,258.69 is: 60,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,379.38 : 165,593.67 = 40,258.69 : x
  2. Step 2: Convert to fraction form
    110,379.38/165,593.67 = 40,258.69/x
  3. Step 3: Cross multiply
    110,379.38x = 165,593.67 × 40,258.69
  4. Step 4: Simplify right side
    110,379.38x = 6,666,584,584.45
  5. Step 5: Solve for x
    x = 6,666,584,584.45/110,379.38
  6. Step 6: Final answer
    x = 60,397.01

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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.