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Finding the Fourth Proportional to 123,595, 185,326.89 and 57,000.85

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Solution

The fourth proportional to 123,595, 185,326.89 and 57,000.85 is: 85,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,595 : 185,326.89 = 57,000.85 : x
  2. Step 2: Convert to fraction form
    123,595/185,326.89 = 57,000.85/x
  3. Step 3: Cross multiply
    123,595x = 185,326.89 × 57,000.85
  4. Step 4: Simplify right side
    123,595x = 10,563,790,257.86
  5. Step 5: Solve for x
    x = 10,563,790,257.86/123,595
  6. Step 6: Final answer
    x = 85,471.02

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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.