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Finding the Fourth Proportional to 168,137.66, 252,143.62 and 55,796.94

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Solution

The fourth proportional to 168,137.66, 252,143.62 and 55,796.94 is: 83,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,137.66 : 252,143.62 = 55,796.94 : x
  2. Step 2: Convert to fraction form
    168,137.66/252,143.62 = 55,796.94/x
  3. Step 3: Cross multiply
    168,137.66x = 252,143.62 × 55,796.94
  4. Step 4: Simplify right side
    168,137.66x = 14,068,842,297.03
  5. Step 5: Solve for x
    x = 14,068,842,297.03/168,137.66
  6. Step 6: Final answer
    x = 83,674.54

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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.