Home / 199,476.78-275,277.03-108,832.47

Finding the Fourth Proportional to 199,476.78, 275,277.03 and 108,832.47

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Solution

The fourth proportional to 199,476.78, 275,277.03 and 108,832.47 is: 150,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,476.78 : 275,277.03 = 108,832.47 : x
  2. Step 2: Convert to fraction form
    199,476.78/275,277.03 = 108,832.47/x
  3. Step 3: Cross multiply
    199,476.78x = 275,277.03 × 108,832.47
  4. Step 4: Simplify right side
    199,476.78x = 29,959,079,109.16
  5. Step 5: Solve for x
    x = 29,959,079,109.16/199,476.78
  6. Step 6: Final answer
    x = 150,188.30

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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.