Home / 203,730.45-281,118.03-113,087.10

Finding the Fourth Proportional to 203,730.45, 281,118.03 and 113,087.10

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Solution

The fourth proportional to 203,730.45, 281,118.03 and 113,087.10 is: 156,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,730.45 : 281,118.03 = 113,087.10 : x
  2. Step 2: Convert to fraction form
    203,730.45/281,118.03 = 113,087.10/x
  3. Step 3: Cross multiply
    203,730.45x = 281,118.03 × 113,087.10
  4. Step 4: Simplify right side
    203,730.45x = 31,790,822,770.41
  5. Step 5: Solve for x
    x = 31,790,822,770.41/203,730.45
  6. Step 6: Final answer
    x = 156,043.55

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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.