Home / 144,704.07-199,691.33-81,040.50

Finding the Fourth Proportional to 144,704.07, 199,691.33 and 81,040.50

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Solution

The fourth proportional to 144,704.07, 199,691.33 and 81,040.50 is: 111,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,704.07 : 199,691.33 = 81,040.50 : x
  2. Step 2: Convert to fraction form
    144,704.07/199,691.33 = 81,040.50/x
  3. Step 3: Cross multiply
    144,704.07x = 199,691.33 × 81,040.50
  4. Step 4: Simplify right side
    144,704.07x = 16,183,084,823.66
  5. Step 5: Solve for x
    x = 16,183,084,823.66/144,704.07
  6. Step 6: Final answer
    x = 111,835.73

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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.