Home / 204,138.19-281,612.55-132,540.67

Finding the Fourth Proportional to 204,138.19, 281,612.55 and 132,540.67

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Solution

The fourth proportional to 204,138.19, 281,612.55 and 132,540.67 is: 182,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,138.19 : 281,612.55 = 132,540.67 : x
  2. Step 2: Convert to fraction form
    204,138.19/281,612.55 = 132,540.67/x
  3. Step 3: Cross multiply
    204,138.19x = 281,612.55 × 132,540.67
  4. Step 4: Simplify right side
    204,138.19x = 37,325,116,057.41
  5. Step 5: Solve for x
    x = 37,325,116,057.41/204,138.19
  6. Step 6: Final answer
    x = 182,842.40

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1.5x scale

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.