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Finding the Fourth Proportional to 110,604.27, 165,525.15 and 67,881.32

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Solution

The fourth proportional to 110,604.27, 165,525.15 and 67,881.32 is: 101,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,604.27 : 165,525.15 = 67,881.32 : x
  2. Step 2: Convert to fraction form
    110,604.27/165,525.15 = 67,881.32/x
  3. Step 3: Cross multiply
    110,604.27x = 165,525.15 × 67,881.32
  4. Step 4: Simplify right side
    110,604.27x = 11,236,065,675.20
  5. Step 5: Solve for x
    x = 11,236,065,675.20/110,604.27
  6. Step 6: Final answer
    x = 101,587.99

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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.