Home / 179,188.40-268,561.17-90,467.28

Finding the Fourth Proportional to 179,188.40, 268,561.17 and 90,467.28

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Solution

The fourth proportional to 179,188.40, 268,561.17 and 90,467.28 is: 135,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,188.40 : 268,561.17 = 90,467.28 : x
  2. Step 2: Convert to fraction form
    179,188.40/268,561.17 = 90,467.28/x
  3. Step 3: Cross multiply
    179,188.40x = 268,561.17 × 90,467.28
  4. Step 4: Simplify right side
    179,188.40x = 24,295,998,563.52
  5. Step 5: Solve for x
    x = 24,295,998,563.52/179,188.40
  6. Step 6: Final answer
    x = 135,589.12

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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.