Home / 188,161.55-259,664.88-102,121.27

Finding the Fourth Proportional to 188,161.55, 259,664.88 and 102,121.27

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Solution

The fourth proportional to 188,161.55, 259,664.88 and 102,121.27 is: 140,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,161.55 : 259,664.88 = 102,121.27 : x
  2. Step 2: Convert to fraction form
    188,161.55/259,664.88 = 102,121.27/x
  3. Step 3: Cross multiply
    188,161.55x = 259,664.88 × 102,121.27
  4. Step 4: Simplify right side
    188,161.55x = 26,517,307,320.00
  5. Step 5: Solve for x
    x = 26,517,307,320.00/188,161.55
  6. Step 6: Final answer
    x = 140,928.41

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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.