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Finding the Fourth Proportional to 168,131.40, 252,021.93 and 73,336.13

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Solution

The fourth proportional to 168,131.40, 252,021.93 and 73,336.13 is: 109,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,131.40 : 252,021.93 = 73,336.13 : x
  2. Step 2: Convert to fraction form
    168,131.40/252,021.93 = 73,336.13/x
  3. Step 3: Cross multiply
    168,131.40x = 252,021.93 × 73,336.13
  4. Step 4: Simplify right side
    168,131.40x = 18,482,313,021.33
  5. Step 5: Solve for x
    x = 18,482,313,021.33/168,131.40
  6. Step 6: Final answer
    x = 109,927.79

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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.