Home / 179,121.60-268,581.60-79,165.44

Finding the Fourth Proportional to 179,121.60, 268,581.60 and 79,165.44

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Solution

The fourth proportional to 179,121.60, 268,581.60 and 79,165.44 is: 118,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,121.60 : 268,581.60 = 79,165.44 : x
  2. Step 2: Convert to fraction form
    179,121.60/268,581.60 = 79,165.44/x
  3. Step 3: Cross multiply
    179,121.60x = 268,581.60 × 79,165.44
  4. Step 4: Simplify right side
    179,121.60x = 21,262,380,539.90
  5. Step 5: Solve for x
    x = 21,262,380,539.90/179,121.60
  6. Step 6: Final answer
    x = 118,703.61

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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.