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Finding the Fourth Proportional to 110,965, 166,469.37 and 36,080.32

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Solution

The fourth proportional to 110,965, 166,469.37 and 36,080.32 is: 54,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,965 : 166,469.37 = 36,080.32 : x
  2. Step 2: Convert to fraction form
    110,965/166,469.37 = 36,080.32/x
  3. Step 3: Cross multiply
    110,965x = 166,469.37 × 36,080.32
  4. Step 4: Simplify right side
    110,965x = 6,006,268,139.80
  5. Step 5: Solve for x
    x = 6,006,268,139.80/110,965
  6. Step 6: Final answer
    x = 54,127.59

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1.5x scale

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.