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Finding the Fourth Proportional to 168,028.05, 252,042.03 and 97,858.14

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Solution

The fourth proportional to 168,028.05, 252,042.03 and 97,858.14 is: 146,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.05 : 252,042.03 = 97,858.14 : x
  2. Step 2: Convert to fraction form
    168,028.05/252,042.03 = 97,858.14/x
  3. Step 3: Cross multiply
    168,028.05x = 252,042.03 × 97,858.14
  4. Step 4: Simplify right side
    168,028.05x = 24,664,364,257.62
  5. Step 5: Solve for x
    x = 24,664,364,257.62/168,028.05
  6. Step 6: Final answer
    x = 146,787.18

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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.