Home / 221,112.39-331,007.54-135,453.41

Finding the Fourth Proportional to 221,112.39, 331,007.54 and 135,453.41

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Solution

The fourth proportional to 221,112.39, 331,007.54 and 135,453.41 is: 202,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,112.39 : 331,007.54 = 135,453.41 : x
  2. Step 2: Convert to fraction form
    221,112.39/331,007.54 = 135,453.41/x
  3. Step 3: Cross multiply
    221,112.39x = 331,007.54 × 135,453.41
  4. Step 4: Simplify right side
    221,112.39x = 44,836,097,696.41
  5. Step 5: Solve for x
    x = 44,836,097,696.41/221,112.39
  6. Step 6: Final answer
    x = 202,775.15

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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.