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Finding the Fourth Proportional to 110,512.64, 165,770.11 and 88,466.16

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Solution

The fourth proportional to 110,512.64, 165,770.11 and 88,466.16 is: 132,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,512.64 : 165,770.11 = 88,466.16 : x
  2. Step 2: Convert to fraction form
    110,512.64/165,770.11 = 88,466.16/x
  3. Step 3: Cross multiply
    110,512.64x = 165,770.11 × 88,466.16
  4. Step 4: Simplify right side
    110,512.64x = 14,665,045,074.48
  5. Step 5: Solve for x
    x = 14,665,045,074.48/110,512.64
  6. Step 6: Final answer
    x = 132,700.16

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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.