Home / 231,798.41-347,921.83-111,939.37

Finding the Fourth Proportional to 231,798.41, 347,921.83 and 111,939.37

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Solution

The fourth proportional to 231,798.41, 347,921.83 and 111,939.37 is: 168,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,798.41 : 347,921.83 = 111,939.37 : x
  2. Step 2: Convert to fraction form
    231,798.41/347,921.83 = 111,939.37/x
  3. Step 3: Cross multiply
    231,798.41x = 347,921.83 × 111,939.37
  4. Step 4: Simplify right side
    231,798.41x = 38,946,149,729.57
  5. Step 5: Solve for x
    x = 38,946,149,729.57/231,798.41
  6. Step 6: Final answer
    x = 168,017.33

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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.