Home / 204,015.80-281,540.73-112,137.20

Finding the Fourth Proportional to 204,015.80, 281,540.73 and 112,137.20

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Solution

The fourth proportional to 204,015.80, 281,540.73 and 112,137.20 is: 154,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,015.80 : 281,540.73 = 112,137.20 : x
  2. Step 2: Convert to fraction form
    204,015.80/281,540.73 = 112,137.20/x
  3. Step 3: Cross multiply
    204,015.80x = 281,540.73 × 112,137.20
  4. Step 4: Simplify right side
    204,015.80x = 31,571,187,740.45
  5. Step 5: Solve for x
    x = 31,571,187,740.45/204,015.80
  6. Step 6: Final answer
    x = 154,748.74

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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.