Home / 189,552.96-261,583.02-108,996.30

Finding the Fourth Proportional to 189,552.96, 261,583.02 and 108,996.30

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Solution

The fourth proportional to 189,552.96, 261,583.02 and 108,996.30 is: 150,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552.96 : 261,583.02 = 108,996.30 : x
  2. Step 2: Convert to fraction form
    189,552.96/261,583.02 = 108,996.30/x
  3. Step 3: Cross multiply
    189,552.96x = 261,583.02 × 108,996.30
  4. Step 4: Simplify right side
    189,552.96x = 28,511,581,322.83
  5. Step 5: Solve for x
    x = 28,511,581,322.83/189,552.96
  6. Step 6: Final answer
    x = 150,414.86

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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.