Home / 179,394.10-268,997.72-66,981.87

Finding the Fourth Proportional to 179,394.10, 268,997.72 and 66,981.87

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Solution

The fourth proportional to 179,394.10, 268,997.72 and 66,981.87 is: 100,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,394.10 : 268,997.72 = 66,981.87 : x
  2. Step 2: Convert to fraction form
    179,394.10/268,997.72 = 66,981.87/x
  3. Step 3: Cross multiply
    179,394.10x = 268,997.72 × 66,981.87
  4. Step 4: Simplify right side
    179,394.10x = 18,017,970,311.34
  5. Step 5: Solve for x
    x = 18,017,970,311.34/179,394.10
  6. Step 6: Final answer
    x = 100,437.92

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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.