Home / 252,025.88-378,112.67-74,537.60

Finding the Fourth Proportional to 252,025.88, 378,112.67 and 74,537.60

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Solution

The fourth proportional to 252,025.88, 378,112.67 and 74,537.60 is: 111,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,025.88 : 378,112.67 = 74,537.60 : x
  2. Step 2: Convert to fraction form
    252,025.88/378,112.67 = 74,537.60/x
  3. Step 3: Cross multiply
    252,025.88x = 378,112.67 × 74,537.60
  4. Step 4: Simplify right side
    252,025.88x = 28,183,610,578.70
  5. Step 5: Solve for x
    x = 28,183,610,578.70/252,025.88
  6. Step 6: Final answer
    x = 111,828.24

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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.