Home / 74,190.54-111,290.94-29,817.33

Finding the Fourth Proportional to 74,190.54, 111,290.94 and 29,817.33

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Solution

The fourth proportional to 74,190.54, 111,290.94 and 29,817.33 is: 44,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.54 : 111,290.94 = 29,817.33 : x
  2. Step 2: Convert to fraction form
    74,190.54/111,290.94 = 29,817.33/x
  3. Step 3: Cross multiply
    74,190.54x = 111,290.94 × 29,817.33
  4. Step 4: Simplify right side
    74,190.54x = 3,318,398,683.99
  5. Step 5: Solve for x
    x = 3,318,398,683.99/74,190.54
  6. Step 6: Final answer
    x = 44,728.06

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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.