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Finding the Fourth Proportional to 198,119, 273,409.02 and 108,695

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Solution

The fourth proportional to 198,119, 273,409.02 and 108,695 is: 150,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,119 : 273,409.02 = 108,695 : x
  2. Step 2: Convert to fraction form
    198,119/273,409.02 = 108,695/x
  3. Step 3: Cross multiply
    198,119x = 273,409.02 × 108,695
  4. Step 4: Simplify right side
    198,119x = 29,718,193,428.90
  5. Step 5: Solve for x
    x = 29,718,193,428.90/198,119
  6. Step 6: Final answer
    x = 150,001.73

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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.