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Finding the Fourth Proportional to 110,067.64, 165,101.44 and 104,457.98

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Solution

The fourth proportional to 110,067.64, 165,101.44 and 104,457.98 is: 156,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,067.64 : 165,101.44 = 104,457.98 : x
  2. Step 2: Convert to fraction form
    110,067.64/165,101.44 = 104,457.98/x
  3. Step 3: Cross multiply
    110,067.64x = 165,101.44 × 104,457.98
  4. Step 4: Simplify right side
    110,067.64x = 17,246,162,917.49
  5. Step 5: Solve for x
    x = 17,246,162,917.49/110,067.64
  6. Step 6: Final answer
    x = 156,686.95

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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.