Home / 276,116.06-414,183.27-76,419.74

Finding the Fourth Proportional to 276,116.06, 414,183.27 and 76,419.74

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Solution

The fourth proportional to 276,116.06, 414,183.27 and 76,419.74 is: 114,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,116.06 : 414,183.27 = 76,419.74 : x
  2. Step 2: Convert to fraction form
    276,116.06/414,183.27 = 76,419.74/x
  3. Step 3: Cross multiply
    276,116.06x = 414,183.27 × 76,419.74
  4. Step 4: Simplify right side
    276,116.06x = 31,651,777,805.75
  5. Step 5: Solve for x
    x = 31,651,777,805.75/276,116.06
  6. Step 6: Final answer
    x = 114,632.15

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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.