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Finding the Fourth Proportional to 168,426, 252,680.58 and 50,096.88

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Solution

The fourth proportional to 168,426, 252,680.58 and 50,096.88 is: 75,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,426 : 252,680.58 = 50,096.88 : x
  2. Step 2: Convert to fraction form
    168,426/252,680.58 = 50,096.88/x
  3. Step 3: Cross multiply
    168,426x = 252,680.58 × 50,096.88
  4. Step 4: Simplify right side
    168,426x = 12,658,508,694.59
  5. Step 5: Solve for x
    x = 12,658,508,694.59/168,426
  6. Step 6: Final answer
    x = 75,157.69

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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.