Home / 161,984.36-242,993.82-68,499.56

Finding the Fourth Proportional to 161,984.36, 242,993.82 and 68,499.56

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Solution

The fourth proportional to 161,984.36, 242,993.82 and 68,499.56 is: 102,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,984.36 : 242,993.82 = 68,499.56 : x
  2. Step 2: Convert to fraction form
    161,984.36/242,993.82 = 68,499.56/x
  3. Step 3: Cross multiply
    161,984.36x = 242,993.82 × 68,499.56
  4. Step 4: Simplify right side
    161,984.36x = 16,644,969,752.72
  5. Step 5: Solve for x
    x = 16,644,969,752.72/161,984.36
  6. Step 6: Final answer
    x = 102,756.65

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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.