Home / 168,982.96-253,383.52-67,730.20

Finding the Fourth Proportional to 168,982.96, 253,383.52 and 67,730.20

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Solution

The fourth proportional to 168,982.96, 253,383.52 and 67,730.20 is: 101,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,982.96 : 253,383.52 = 67,730.20 : x
  2. Step 2: Convert to fraction form
    168,982.96/253,383.52 = 67,730.20/x
  3. Step 3: Cross multiply
    168,982.96x = 253,383.52 × 67,730.20
  4. Step 4: Simplify right side
    168,982.96x = 17,161,716,486.30
  5. Step 5: Solve for x
    x = 17,161,716,486.30/168,982.96
  6. Step 6: Final answer
    x = 101,558.86

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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.