Home / 102,704.42-154,183.49-48,720.72

Finding the Fourth Proportional to 102,704.42, 154,183.49 and 48,720.72

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Solution

The fourth proportional to 102,704.42, 154,183.49 and 48,720.72 is: 73,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,704.42 : 154,183.49 = 48,720.72 : x
  2. Step 2: Convert to fraction form
    102,704.42/154,183.49 = 48,720.72/x
  3. Step 3: Cross multiply
    102,704.42x = 154,183.49 × 48,720.72
  4. Step 4: Simplify right side
    102,704.42x = 7,511,929,630.39
  5. Step 5: Solve for x
    x = 7,511,929,630.39/102,704.42
  6. Step 6: Final answer
    x = 73,141.25

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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.