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Finding the Fourth Proportional to 110,252.63, 165,462.18 and 80,746.96

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Solution

The fourth proportional to 110,252.63, 165,462.18 and 80,746.96 is: 121,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,252.63 : 165,462.18 = 80,746.96 : x
  2. Step 2: Convert to fraction form
    110,252.63/165,462.18 = 80,746.96/x
  3. Step 3: Cross multiply
    110,252.63x = 165,462.18 × 80,746.96
  4. Step 4: Simplify right side
    110,252.63x = 13,360,568,029.97
  5. Step 5: Solve for x
    x = 13,360,568,029.97/110,252.63
  6. Step 6: Final answer
    x = 121,181.40

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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.