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Finding the Fourth Proportional to 134,121.60, 200,793.60 and 130,233.60

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Solution

The fourth proportional to 134,121.60, 200,793.60 and 130,233.60 is: 194,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,121.60 : 200,793.60 = 130,233.60 : x
  2. Step 2: Convert to fraction form
    134,121.60/200,793.60 = 130,233.60/x
  3. Step 3: Cross multiply
    134,121.60x = 200,793.60 × 130,233.60
  4. Step 4: Simplify right side
    134,121.60x = 26,150,073,384.96
  5. Step 5: Solve for x
    x = 26,150,073,384.96/134,121.60
  6. Step 6: Final answer
    x = 194,972.87

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1.5x scale

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.