Home / 197,939-273,044.04-117,287.30

Finding the Fourth Proportional to 197,939, 273,044.04 and 117,287.30

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Solution

The fourth proportional to 197,939, 273,044.04 and 117,287.30 is: 161,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,939 : 273,044.04 = 117,287.30 : x
  2. Step 2: Convert to fraction form
    197,939/273,044.04 = 117,287.30/x
  3. Step 3: Cross multiply
    197,939x = 273,044.04 × 117,287.30
  4. Step 4: Simplify right side
    197,939x = 32,024,598,232.69
  5. Step 5: Solve for x
    x = 32,024,598,232.69/197,939
  6. Step 6: Final answer
    x = 161,790.24

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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.