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Finding the Fourth Proportional to 168,151.62, 252,101.88 and 101,576.64

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Solution

The fourth proportional to 168,151.62, 252,101.88 and 101,576.64 is: 152,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151.62 : 252,101.88 = 101,576.64 : x
  2. Step 2: Convert to fraction form
    168,151.62/252,101.88 = 101,576.64/x
  3. Step 3: Cross multiply
    168,151.62x = 252,101.88 × 101,576.64
  4. Step 4: Simplify right side
    168,151.62x = 25,607,661,908.08
  5. Step 5: Solve for x
    x = 25,607,661,908.08/168,151.62
  6. Step 6: Final answer
    x = 152,289.12

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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.