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Finding the Fourth Proportional to 154,096.80, 231,363.90 and 95,047.80

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Solution

The fourth proportional to 154,096.80, 231,363.90 and 95,047.80 is: 142,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,096.80 : 231,363.90 = 95,047.80 : x
  2. Step 2: Convert to fraction form
    154,096.80/231,363.90 = 95,047.80/x
  3. Step 3: Cross multiply
    154,096.80x = 231,363.90 × 95,047.80
  4. Step 4: Simplify right side
    154,096.80x = 21,990,629,694.42
  5. Step 5: Solve for x
    x = 21,990,629,694.42/154,096.80
  6. Step 6: Final answer
    x = 142,706.60

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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.