Home / 160,940.72-241,406.96-76,760.40

Finding the Fourth Proportional to 160,940.72, 241,406.96 and 76,760.40

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Solution

The fourth proportional to 160,940.72, 241,406.96 and 76,760.40 is: 115,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,940.72 : 241,406.96 = 76,760.40 : x
  2. Step 2: Convert to fraction form
    160,940.72/241,406.96 = 76,760.40/x
  3. Step 3: Cross multiply
    160,940.72x = 241,406.96 × 76,760.40
  4. Step 4: Simplify right side
    160,940.72x = 18,530,494,812.38
  5. Step 5: Solve for x
    x = 18,530,494,812.38/160,940.72
  6. Step 6: Final answer
    x = 115,138.63

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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.