Home / 81,367.20-122,063.94-25,194.11

Finding the Fourth Proportional to 81,367.20, 122,063.94 and 25,194.11

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Solution

The fourth proportional to 81,367.20, 122,063.94 and 25,194.11 is: 37,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,367.20 : 122,063.94 = 25,194.11 : x
  2. Step 2: Convert to fraction form
    81,367.20/122,063.94 = 25,194.11/x
  3. Step 3: Cross multiply
    81,367.20x = 122,063.94 × 25,194.11
  4. Step 4: Simplify right side
    81,367.20x = 3,075,291,721.07
  5. Step 5: Solve for x
    x = 3,075,291,721.07/81,367.20
  6. Step 6: Final answer
    x = 37,795.23

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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.