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Finding the Fourth Proportional to 168,000.60, 251,709.30 and 108,805.80

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Solution

The fourth proportional to 168,000.60, 251,709.30 and 108,805.80 is: 163,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.60 : 251,709.30 = 108,805.80 : x
  2. Step 2: Convert to fraction form
    168,000.60/251,709.30 = 108,805.80/x
  3. Step 3: Cross multiply
    168,000.60x = 251,709.30 × 108,805.80
  4. Step 4: Simplify right side
    168,000.60x = 27,387,431,753.94
  5. Step 5: Solve for x
    x = 27,387,431,753.94/168,000.60
  6. Step 6: Final answer
    x = 163,019.84

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1.5x scale

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.