Home / 199,916.58-275,884.65-109,273.14

Finding the Fourth Proportional to 199,916.58, 275,884.65 and 109,273.14

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Solution

The fourth proportional to 199,916.58, 275,884.65 and 109,273.14 is: 150,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,916.58 : 275,884.65 = 109,273.14 : x
  2. Step 2: Convert to fraction form
    199,916.58/275,884.65 = 109,273.14/x
  3. Step 3: Cross multiply
    199,916.58x = 275,884.65 × 109,273.14
  4. Step 4: Simplify right side
    199,916.58x = 30,146,781,983.30
  5. Step 5: Solve for x
    x = 30,146,781,983.30/199,916.58
  6. Step 6: Final answer
    x = 150,796.81

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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.