Home / 231,788.52-347,711.94-81,993.60

Finding the Fourth Proportional to 231,788.52, 347,711.94 and 81,993.60

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Solution

The fourth proportional to 231,788.52, 347,711.94 and 81,993.60 is: 123,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,788.52 : 347,711.94 = 81,993.60 : x
  2. Step 2: Convert to fraction form
    231,788.52/347,711.94 = 81,993.60/x
  3. Step 3: Cross multiply
    231,788.52x = 347,711.94 × 81,993.60
  4. Step 4: Simplify right side
    231,788.52x = 28,510,153,723.58
  5. Step 5: Solve for x
    x = 28,510,153,723.58/231,788.52
  6. Step 6: Final answer
    x = 123,000.72

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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.