Home / 179,387.87-268,929.01-79,493.60

Finding the Fourth Proportional to 179,387.87, 268,929.01 and 79,493.60

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Solution

The fourth proportional to 179,387.87, 268,929.01 and 79,493.60 is: 119,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,387.87 : 268,929.01 = 79,493.60 : x
  2. Step 2: Convert to fraction form
    179,387.87/268,929.01 = 79,493.60/x
  3. Step 3: Cross multiply
    179,387.87x = 268,929.01 × 79,493.60
  4. Step 4: Simplify right side
    179,387.87x = 21,378,135,921.03
  5. Step 5: Solve for x
    x = 21,378,135,921.03/179,387.87
  6. Step 6: Final answer
    x = 119,172.70

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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.