Home / 102,956.20-154,520.70-50,410.60

Finding the Fourth Proportional to 102,956.20, 154,520.70 and 50,410.60

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Solution

The fourth proportional to 102,956.20, 154,520.70 and 50,410.60 is: 75,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,956.20 : 154,520.70 = 50,410.60 : x
  2. Step 2: Convert to fraction form
    102,956.20/154,520.70 = 50,410.60/x
  3. Step 3: Cross multiply
    102,956.20x = 154,520.70 × 50,410.60
  4. Step 4: Simplify right side
    102,956.20x = 7,789,481,199.42
  5. Step 5: Solve for x
    x = 7,789,481,199.42/102,956.20
  6. Step 6: Final answer
    x = 75,658.20

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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.