Home / 199,766.60-275,667.36-109,121.25

Finding the Fourth Proportional to 199,766.60, 275,667.36 and 109,121.25

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Solution

The fourth proportional to 199,766.60, 275,667.36 and 109,121.25 is: 150,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,766.60 : 275,667.36 = 109,121.25 : x
  2. Step 2: Convert to fraction form
    199,766.60/275,667.36 = 109,121.25/x
  3. Step 3: Cross multiply
    199,766.60x = 275,667.36 × 109,121.25
  4. Step 4: Simplify right side
    199,766.60x = 30,081,166,907.40
  5. Step 5: Solve for x
    x = 30,081,166,907.40/199,766.60
  6. Step 6: Final answer
    x = 150,581.56

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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.