Home / 231,693.40-347,540.10-82,102.60

Finding the Fourth Proportional to 231,693.40, 347,540.10 and 82,102.60

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Solution

The fourth proportional to 231,693.40, 347,540.10 and 82,102.60 is: 123,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,693.40 : 347,540.10 = 82,102.60 : x
  2. Step 2: Convert to fraction form
    231,693.40/347,540.10 = 82,102.60/x
  3. Step 3: Cross multiply
    231,693.40x = 347,540.10 × 82,102.60
  4. Step 4: Simplify right side
    231,693.40x = 28,533,945,814.26
  5. Step 5: Solve for x
    x = 28,533,945,814.26/231,693.40
  6. Step 6: Final answer
    x = 123,153.90

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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.