Home / 199,903.23-275,858.97-109,258.47

Finding the Fourth Proportional to 199,903.23, 275,858.97 and 109,258.47

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Solution

The fourth proportional to 199,903.23, 275,858.97 and 109,258.47 is: 150,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,903.23 : 275,858.97 = 109,258.47 : x
  2. Step 2: Convert to fraction form
    199,903.23/275,858.97 = 109,258.47/x
  3. Step 3: Cross multiply
    199,903.23x = 275,858.97 × 109,258.47
  4. Step 4: Simplify right side
    199,903.23x = 30,139,928,997.98
  5. Step 5: Solve for x
    x = 30,139,928,997.98/199,903.23
  6. Step 6: Final answer
    x = 150,772.60

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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.