Home / 231,811.26-347,766.63-71,883.78

Finding the Fourth Proportional to 231,811.26, 347,766.63 and 71,883.78

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Solution

The fourth proportional to 231,811.26, 347,766.63 and 71,883.78 is: 107,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,811.26 : 347,766.63 = 71,883.78 : x
  2. Step 2: Convert to fraction form
    231,811.26/347,766.63 = 71,883.78/x
  3. Step 3: Cross multiply
    231,811.26x = 347,766.63 × 71,883.78
  4. Step 4: Simplify right side
    231,811.26x = 24,998,779,922.26
  5. Step 5: Solve for x
    x = 24,998,779,922.26/231,811.26
  6. Step 6: Final answer
    x = 107,841.09

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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.