Home / 81,596.22-122,400.07-34,163.45

Finding the Fourth Proportional to 81,596.22, 122,400.07 and 34,163.45

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Solution

The fourth proportional to 81,596.22, 122,400.07 and 34,163.45 is: 51,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,596.22 : 122,400.07 = 34,163.45 : x
  2. Step 2: Convert to fraction form
    81,596.22/122,400.07 = 34,163.45/x
  3. Step 3: Cross multiply
    81,596.22x = 122,400.07 × 34,163.45
  4. Step 4: Simplify right side
    81,596.22x = 4,181,607,974.03
  5. Step 5: Solve for x
    x = 4,181,607,974.03/81,596.22
  6. Step 6: Final answer
    x = 51,247.57

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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.