Home / 168,499.14-252,678.44-68,591.51

Finding the Fourth Proportional to 168,499.14, 252,678.44 and 68,591.51

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Solution

The fourth proportional to 168,499.14, 252,678.44 and 68,591.51 is: 102,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499.14 : 252,678.44 = 68,591.51 : x
  2. Step 2: Convert to fraction form
    168,499.14/252,678.44 = 68,591.51/x
  3. Step 3: Cross multiply
    168,499.14x = 252,678.44 × 68,591.51
  4. Step 4: Simplify right side
    168,499.14x = 17,331,595,744.04
  5. Step 5: Solve for x
    x = 17,331,595,744.04/168,499.14
  6. Step 6: Final answer
    x = 102,858.66

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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.