Home / 199,839.45-275,775.16-109,193.47

Finding the Fourth Proportional to 199,839.45, 275,775.16 and 109,193.47

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Solution

The fourth proportional to 199,839.45, 275,775.16 and 109,193.47 is: 150,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,839.45 : 275,775.16 = 109,193.47 : x
  2. Step 2: Convert to fraction form
    199,839.45/275,775.16 = 109,193.47/x
  3. Step 3: Cross multiply
    199,839.45x = 275,775.16 × 109,193.47
  4. Step 4: Simplify right side
    199,839.45x = 30,112,845,595.41
  5. Step 5: Solve for x
    x = 30,112,845,595.41/199,839.45
  6. Step 6: Final answer
    x = 150,685.19

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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.