Home / 199,562.12-275,400.07-108,918.44

Finding the Fourth Proportional to 199,562.12, 275,400.07 and 108,918.44

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Solution

The fourth proportional to 199,562.12, 275,400.07 and 108,918.44 is: 150,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,562.12 : 275,400.07 = 108,918.44 : x
  2. Step 2: Convert to fraction form
    199,562.12/275,400.07 = 108,918.44/x
  3. Step 3: Cross multiply
    199,562.12x = 275,400.07 × 108,918.44
  4. Step 4: Simplify right side
    199,562.12x = 29,996,144,350.99
  5. Step 5: Solve for x
    x = 29,996,144,350.99/199,562.12
  6. Step 6: Final answer
    x = 150,309.81

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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.