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Finding the Fourth Proportional to 110,552.90, 165,829.35 and 100,876.10

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Solution

The fourth proportional to 110,552.90, 165,829.35 and 100,876.10 is: 151,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,552.90 : 165,829.35 = 100,876.10 : x
  2. Step 2: Convert to fraction form
    110,552.90/165,829.35 = 100,876.10/x
  3. Step 3: Cross multiply
    110,552.90x = 165,829.35 × 100,876.10
  4. Step 4: Simplify right side
    110,552.90x = 16,728,218,093.54
  5. Step 5: Solve for x
    x = 16,728,218,093.54/110,552.90
  6. Step 6: Final answer
    x = 151,314.15

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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.