Home / 243,872.57-365,942.73-123,939.86

Finding the Fourth Proportional to 243,872.57, 365,942.73 and 123,939.86

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Solution

The fourth proportional to 243,872.57, 365,942.73 and 123,939.86 is: 185,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,872.57 : 365,942.73 = 123,939.86 : x
  2. Step 2: Convert to fraction form
    243,872.57/365,942.73 = 123,939.86/x
  3. Step 3: Cross multiply
    243,872.57x = 365,942.73 × 123,939.86
  4. Step 4: Simplify right side
    243,872.57x = 45,354,889,802.01
  5. Step 5: Solve for x
    x = 45,354,889,802.01/243,872.57
  6. Step 6: Final answer
    x = 185,977.83

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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.