Home / 231,764.52-347,675.94-81,969.60

Finding the Fourth Proportional to 231,764.52, 347,675.94 and 81,969.60

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Solution

The fourth proportional to 231,764.52, 347,675.94 and 81,969.60 is: 122,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,764.52 : 347,675.94 = 81,969.60 : x
  2. Step 2: Convert to fraction form
    231,764.52/347,675.94 = 81,969.60/x
  3. Step 3: Cross multiply
    231,764.52x = 347,675.94 × 81,969.60
  4. Step 4: Simplify right side
    231,764.52x = 28,498,857,731.42
  5. Step 5: Solve for x
    x = 28,498,857,731.42/231,764.52
  6. Step 6: Final answer
    x = 122,964.71

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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.