Home / 103,845.88-155,783.85-32,744.38

Finding the Fourth Proportional to 103,845.88, 155,783.85 and 32,744.38

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Solution

The fourth proportional to 103,845.88, 155,783.85 and 32,744.38 is: 49,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.88 : 155,783.85 = 32,744.38 : x
  2. Step 2: Convert to fraction form
    103,845.88/155,783.85 = 32,744.38/x
  3. Step 3: Cross multiply
    103,845.88x = 155,783.85 × 32,744.38
  4. Step 4: Simplify right side
    103,845.88x = 5,101,045,582.26
  5. Step 5: Solve for x
    x = 5,101,045,582.26/103,845.88
  6. Step 6: Final answer
    x = 49,121.31

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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.