Home / 187,788.03-281,485.21-69,383.85

Finding the Fourth Proportional to 187,788.03, 281,485.21 and 69,383.85

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Solution

The fourth proportional to 187,788.03, 281,485.21 and 69,383.85 is: 104,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.03 : 281,485.21 = 69,383.85 : x
  2. Step 2: Convert to fraction form
    187,788.03/281,485.21 = 69,383.85/x
  3. Step 3: Cross multiply
    187,788.03x = 281,485.21 × 69,383.85
  4. Step 4: Simplify right side
    187,788.03x = 19,530,526,006.97
  5. Step 5: Solve for x
    x = 19,530,526,006.97/187,788.03
  6. Step 6: Final answer
    x = 104,003.04

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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.