Home / 199,577.82-275,321.88-135,069.60

Finding the Fourth Proportional to 199,577.82, 275,321.88 and 135,069.60

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Solution

The fourth proportional to 199,577.82, 275,321.88 and 135,069.60 is: 186,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,577.82 : 275,321.88 = 135,069.60 : x
  2. Step 2: Convert to fraction form
    199,577.82/275,321.88 = 135,069.60/x
  3. Step 3: Cross multiply
    199,577.82x = 275,321.88 × 135,069.60
  4. Step 4: Simplify right side
    199,577.82x = 37,187,616,202.85
  5. Step 5: Solve for x
    x = 37,187,616,202.85/199,577.82
  6. Step 6: Final answer
    x = 186,331.41

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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.