Home / 159,131.58-238,697.37-75,772.86

Finding the Fourth Proportional to 159,131.58, 238,697.37 and 75,772.86

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Solution

The fourth proportional to 159,131.58, 238,697.37 and 75,772.86 is: 113,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,131.58 : 238,697.37 = 75,772.86 : x
  2. Step 2: Convert to fraction form
    159,131.58/238,697.37 = 75,772.86/x
  3. Step 3: Cross multiply
    159,131.58x = 238,697.37 × 75,772.86
  4. Step 4: Simplify right side
    159,131.58x = 18,086,782,399.38
  5. Step 5: Solve for x
    x = 18,086,782,399.38/159,131.58
  6. Step 6: Final answer
    x = 113,659.29

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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.