Home / 179,795.70-269,847.15-80,109.30

Finding the Fourth Proportional to 179,795.70, 269,847.15 and 80,109.30

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Solution

The fourth proportional to 179,795.70, 269,847.15 and 80,109.30 is: 120,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,795.70 : 269,847.15 = 80,109.30 : x
  2. Step 2: Convert to fraction form
    179,795.70/269,847.15 = 80,109.30/x
  3. Step 3: Cross multiply
    179,795.70x = 269,847.15 × 80,109.30
  4. Step 4: Simplify right side
    179,795.70x = 21,617,266,293.50
  5. Step 5: Solve for x
    x = 21,617,266,293.50/179,795.70
  6. Step 6: Final answer
    x = 120,232.39

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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.