Home / 97,791.27-146,694.74-31,240.86

Finding the Fourth Proportional to 97,791.27, 146,694.74 and 31,240.86

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Solution

The fourth proportional to 97,791.27, 146,694.74 and 31,240.86 is: 46,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,791.27 : 146,694.74 = 31,240.86 : x
  2. Step 2: Convert to fraction form
    97,791.27/146,694.74 = 31,240.86/x
  3. Step 3: Cross multiply
    97,791.27x = 146,694.74 × 31,240.86
  4. Step 4: Simplify right side
    97,791.27x = 4,582,869,678.87
  5. Step 5: Solve for x
    x = 4,582,869,678.87/97,791.27
  6. Step 6: Final answer
    x = 46,863.79

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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.