Home / 141,914.08-195,837.24-78,251.86

Finding the Fourth Proportional to 141,914.08, 195,837.24 and 78,251.86

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Solution

The fourth proportional to 141,914.08, 195,837.24 and 78,251.86 is: 107,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,914.08 : 195,837.24 = 78,251.86 : x
  2. Step 2: Convert to fraction form
    141,914.08/195,837.24 = 78,251.86/x
  3. Step 3: Cross multiply
    141,914.08x = 195,837.24 × 78,251.86
  4. Step 4: Simplify right side
    141,914.08x = 15,324,628,287.27
  5. Step 5: Solve for x
    x = 15,324,628,287.27/141,914.08
  6. Step 6: Final answer
    x = 107,985.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.