Home / 231,867.20-347,768.40-74,111.60

Finding the Fourth Proportional to 231,867.20, 347,768.40 and 74,111.60

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Solution

The fourth proportional to 231,867.20, 347,768.40 and 74,111.60 is: 111,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,867.20 : 347,768.40 = 74,111.60 : x
  2. Step 2: Convert to fraction form
    231,867.20/347,768.40 = 74,111.60/x
  3. Step 3: Cross multiply
    231,867.20x = 347,768.40 × 74,111.60
  4. Step 4: Simplify right side
    231,867.20x = 25,773,672,553.44
  5. Step 5: Solve for x
    x = 25,773,672,553.44/231,867.20
  6. Step 6: Final answer
    x = 111,157.04

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1.5x scale

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.