Home / 218,498.58-327,780.14-111,942.81

Finding the Fourth Proportional to 218,498.58, 327,780.14 and 111,942.81

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Solution

The fourth proportional to 218,498.58, 327,780.14 and 111,942.81 is: 167,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,498.58 : 327,780.14 = 111,942.81 : x
  2. Step 2: Convert to fraction form
    218,498.58/327,780.14 = 111,942.81/x
  3. Step 3: Cross multiply
    218,498.58x = 327,780.14 × 111,942.81
  4. Step 4: Simplify right side
    218,498.58x = 36,692,629,374.08
  5. Step 5: Solve for x
    x = 36,692,629,374.08/218,498.58
  6. Step 6: Final answer
    x = 167,930.75

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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.