Home / 231,872.20-347,775.90-74,116.60

Finding the Fourth Proportional to 231,872.20, 347,775.90 and 74,116.60

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Solution

The fourth proportional to 231,872.20, 347,775.90 and 74,116.60 is: 111,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,872.20 : 347,775.90 = 74,116.60 : x
  2. Step 2: Convert to fraction form
    231,872.20/347,775.90 = 74,116.60/x
  3. Step 3: Cross multiply
    231,872.20x = 347,775.90 × 74,116.60
  4. Step 4: Simplify right side
    231,872.20x = 25,775,967,269.94
  5. Step 5: Solve for x
    x = 25,775,967,269.94/231,872.20
  6. Step 6: Final answer
    x = 111,164.54

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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.