Home / 106,285.21-159,372.46-39,670.56

Finding the Fourth Proportional to 106,285.21, 159,372.46 and 39,670.56

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Solution

The fourth proportional to 106,285.21, 159,372.46 and 39,670.56 is: 59,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,285.21 : 159,372.46 = 39,670.56 : x
  2. Step 2: Convert to fraction form
    106,285.21/159,372.46 = 39,670.56/x
  3. Step 3: Cross multiply
    106,285.21x = 159,372.46 × 39,670.56
  4. Step 4: Simplify right side
    106,285.21x = 6,322,394,736.78
  5. Step 5: Solve for x
    x = 6,322,394,736.78/106,285.21
  6. Step 6: Final answer
    x = 59,485.18

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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.