Home / 234,195.07-351,310.38-91,971.73

Finding the Fourth Proportional to 234,195.07, 351,310.38 and 91,971.73

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Solution

The fourth proportional to 234,195.07, 351,310.38 and 91,971.73 is: 137,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,195.07 : 351,310.38 = 91,971.73 : x
  2. Step 2: Convert to fraction form
    234,195.07/351,310.38 = 91,971.73/x
  3. Step 3: Cross multiply
    234,195.07x = 351,310.38 × 91,971.73
  4. Step 4: Simplify right side
    234,195.07x = 32,310,623,415.56
  5. Step 5: Solve for x
    x = 32,310,623,415.56/234,195.07
  6. Step 6: Final answer
    x = 137,964.58

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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.