Home / 54,200.40-81,214.20-40,203.60

Finding the Fourth Proportional to 54,200.40, 81,214.20 and 40,203.60

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Solution

The fourth proportional to 54,200.40, 81,214.20 and 40,203.60 is: 60,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,200.40 : 81,214.20 = 40,203.60 : x
  2. Step 2: Convert to fraction form
    54,200.40/81,214.20 = 40,203.60/x
  3. Step 3: Cross multiply
    54,200.40x = 81,214.20 × 40,203.60
  4. Step 4: Simplify right side
    54,200.40x = 3,265,103,211.12
  5. Step 5: Solve for x
    x = 3,265,103,211.12/54,200.40
  6. Step 6: Final answer
    x = 60,241.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.