Home / 193,272.09-266,715.23-108,388.41

Finding the Fourth Proportional to 193,272.09, 266,715.23 and 108,388.41

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Solution

The fourth proportional to 193,272.09, 266,715.23 and 108,388.41 is: 149,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,272.09 : 266,715.23 = 108,388.41 : x
  2. Step 2: Convert to fraction form
    193,272.09/266,715.23 = 108,388.41/x
  3. Step 3: Cross multiply
    193,272.09x = 266,715.23 × 108,388.41
  4. Step 4: Simplify right side
    193,272.09x = 28,908,839,160.54
  5. Step 5: Solve for x
    x = 28,908,839,160.54/193,272.09
  6. Step 6: Final answer
    x = 149,575.86

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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.