Home / 168,499.20-252,678.54-68,591.58

Finding the Fourth Proportional to 168,499.20, 252,678.54 and 68,591.58

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Solution

The fourth proportional to 168,499.20, 252,678.54 and 68,591.58 is: 102,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499.20 : 252,678.54 = 68,591.58 : x
  2. Step 2: Convert to fraction form
    168,499.20/252,678.54 = 68,591.58/x
  3. Step 3: Cross multiply
    168,499.20x = 252,678.54 × 68,591.58
  4. Step 4: Simplify right side
    168,499.20x = 17,331,620,290.69
  5. Step 5: Solve for x
    x = 17,331,620,290.69/168,499.20
  6. Step 6: Final answer
    x = 102,858.77

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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.