Home / 115,299.63-172,940.22-51,277.60

Finding the Fourth Proportional to 115,299.63, 172,940.22 and 51,277.60

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Solution

The fourth proportional to 115,299.63, 172,940.22 and 51,277.60 is: 76,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,299.63 : 172,940.22 = 51,277.60 : x
  2. Step 2: Convert to fraction form
    115,299.63/172,940.22 = 51,277.60/x
  3. Step 3: Cross multiply
    115,299.63x = 172,940.22 × 51,277.60
  4. Step 4: Simplify right side
    115,299.63x = 8,867,959,316.98
  5. Step 5: Solve for x
    x = 8,867,959,316.98/115,299.63
  6. Step 6: Final answer
    x = 76,912.29

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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.