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Finding the Fourth Proportional to 110,174.64, 165,276.67 and 43,599.21

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Solution

The fourth proportional to 110,174.64, 165,276.67 and 43,599.21 is: 65,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,174.64 : 165,276.67 = 43,599.21 : x
  2. Step 2: Convert to fraction form
    110,174.64/165,276.67 = 43,599.21/x
  3. Step 3: Cross multiply
    110,174.64x = 165,276.67 × 43,599.21
  4. Step 4: Simplify right side
    110,174.64x = 7,205,932,134.43
  5. Step 5: Solve for x
    x = 7,205,932,134.43/110,174.64
  6. Step 6: Final answer
    x = 65,404.64

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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.