Home / 197,072.55-271,960.38-112,189.50

Finding the Fourth Proportional to 197,072.55, 271,960.38 and 112,189.50

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Solution

The fourth proportional to 197,072.55, 271,960.38 and 112,189.50 is: 154,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,072.55 : 271,960.38 = 112,189.50 : x
  2. Step 2: Convert to fraction form
    197,072.55/271,960.38 = 112,189.50/x
  3. Step 3: Cross multiply
    197,072.55x = 271,960.38 × 112,189.50
  4. Step 4: Simplify right side
    197,072.55x = 30,511,099,052.01
  5. Step 5: Solve for x
    x = 30,511,099,052.01/197,072.55
  6. Step 6: Final answer
    x = 154,821.66

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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.