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Finding the Fourth Proportional to 168,418.44, 232,419.06 and 92,965.32

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Solution

The fourth proportional to 168,418.44, 232,419.06 and 92,965.32 is: 128,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,418.44 : 232,419.06 = 92,965.32 : x
  2. Step 2: Convert to fraction form
    168,418.44/232,419.06 = 92,965.32/x
  3. Step 3: Cross multiply
    168,418.44x = 232,419.06 × 92,965.32
  4. Step 4: Simplify right side
    168,418.44x = 21,606,912,287.00
  5. Step 5: Solve for x
    x = 21,606,912,287.00/168,418.44
  6. Step 6: Final answer
    x = 128,293.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.