Home / 181,867.68-272,839.32-76,687.56

Finding the Fourth Proportional to 181,867.68, 272,839.32 and 76,687.56

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Solution

The fourth proportional to 181,867.68, 272,839.32 and 76,687.56 is: 115,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,867.68 : 272,839.32 = 76,687.56 : x
  2. Step 2: Convert to fraction form
    181,867.68/272,839.32 = 76,687.56/x
  3. Step 3: Cross multiply
    181,867.68x = 272,839.32 × 76,687.56
  4. Step 4: Simplify right side
    181,867.68x = 20,923,381,722.86
  5. Step 5: Solve for x
    x = 20,923,381,722.86/181,867.68
  6. Step 6: Final answer
    x = 115,047.28

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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.