Home / 144,438.93-199,321.97-79,906.50

Finding the Fourth Proportional to 144,438.93, 199,321.97 and 79,906.50

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Solution

The fourth proportional to 144,438.93, 199,321.97 and 79,906.50 is: 110,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,438.93 : 199,321.97 = 79,906.50 : x
  2. Step 2: Convert to fraction form
    144,438.93/199,321.97 = 79,906.50/x
  3. Step 3: Cross multiply
    144,438.93x = 199,321.97 × 79,906.50
  4. Step 4: Simplify right side
    144,438.93x = 15,927,120,596.27
  5. Step 5: Solve for x
    x = 15,927,120,596.27/144,438.93
  6. Step 6: Final answer
    x = 110,268.89

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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.