Home / 135,612.83-203,304.37-82,911.60

Finding the Fourth Proportional to 135,612.83, 203,304.37 and 82,911.60

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Solution

The fourth proportional to 135,612.83, 203,304.37 and 82,911.60 is: 124,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,612.83 : 203,304.37 = 82,911.60 : x
  2. Step 2: Convert to fraction form
    135,612.83/203,304.37 = 82,911.60/x
  3. Step 3: Cross multiply
    135,612.83x = 203,304.37 × 82,911.60
  4. Step 4: Simplify right side
    135,612.83x = 16,856,289,587.17
  5. Step 5: Solve for x
    x = 16,856,289,587.17/135,612.83
  6. Step 6: Final answer
    x = 124,297.16

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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.