Home / 179,288.61-268,901.74-66,969.79

Finding the Fourth Proportional to 179,288.61, 268,901.74 and 66,969.79

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Solution

The fourth proportional to 179,288.61, 268,901.74 and 66,969.79 is: 100,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,288.61 : 268,901.74 = 66,969.79 : x
  2. Step 2: Convert to fraction form
    179,288.61/268,901.74 = 66,969.79/x
  3. Step 3: Cross multiply
    179,288.61x = 268,901.74 × 66,969.79
  4. Step 4: Simplify right side
    179,288.61x = 18,008,292,469.89
  5. Step 5: Solve for x
    x = 18,008,292,469.89/179,288.61
  6. Step 6: Final answer
    x = 100,443.04

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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.