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Finding the Fourth Proportional to 168,682.84, 253,015.62 and 50,355.16

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Solution

The fourth proportional to 168,682.84, 253,015.62 and 50,355.16 is: 75,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,682.84 : 253,015.62 = 50,355.16 : x
  2. Step 2: Convert to fraction form
    168,682.84/253,015.62 = 50,355.16/x
  3. Step 3: Cross multiply
    168,682.84x = 253,015.62 × 50,355.16
  4. Step 4: Simplify right side
    168,682.84x = 12,740,642,027.60
  5. Step 5: Solve for x
    x = 12,740,642,027.60/168,682.84
  6. Step 6: Final answer
    x = 75,530.16

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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.