Home / 197,739.86-272,879.65-107,093.75

Finding the Fourth Proportional to 197,739.86, 272,879.65 and 107,093.75

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Solution

The fourth proportional to 197,739.86, 272,879.65 and 107,093.75 is: 147,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,739.86 : 272,879.65 = 107,093.75 : x
  2. Step 2: Convert to fraction form
    197,739.86/272,879.65 = 107,093.75/x
  3. Step 3: Cross multiply
    197,739.86x = 272,879.65 × 107,093.75
  4. Step 4: Simplify right side
    197,739.86x = 29,223,704,481.72
  5. Step 5: Solve for x
    x = 29,223,704,481.72/197,739.86
  6. Step 6: Final answer
    x = 147,788.64

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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.