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Finding the Fourth Proportional to 168,857.88, 253,168.74 and 74,042.52

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Solution

The fourth proportional to 168,857.88, 253,168.74 and 74,042.52 is: 111,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857.88 : 253,168.74 = 74,042.52 : x
  2. Step 2: Convert to fraction form
    168,857.88/253,168.74 = 74,042.52/x
  3. Step 3: Cross multiply
    168,857.88x = 253,168.74 × 74,042.52
  4. Step 4: Simplify right side
    168,857.88x = 18,745,251,494.82
  5. Step 5: Solve for x
    x = 18,745,251,494.82/168,857.88
  6. Step 6: Final answer
    x = 111,012.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.