Home / 179,393.85-268,997.34-66,981.62

Finding the Fourth Proportional to 179,393.85, 268,997.34 and 66,981.62

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Solution

The fourth proportional to 179,393.85, 268,997.34 and 66,981.62 is: 100,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,393.85 : 268,997.34 = 66,981.62 : x
  2. Step 2: Convert to fraction form
    179,393.85/268,997.34 = 66,981.62/x
  3. Step 3: Cross multiply
    179,393.85x = 268,997.34 × 66,981.62
  4. Step 4: Simplify right side
    179,393.85x = 18,017,877,608.89
  5. Step 5: Solve for x
    x = 18,017,877,608.89/179,393.85
  6. Step 6: Final answer
    x = 100,437.54

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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.