Home / 263,137.23-394,683.98-105,374.34

Finding the Fourth Proportional to 263,137.23, 394,683.98 and 105,374.34

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Solution

The fourth proportional to 263,137.23, 394,683.98 and 105,374.34 is: 158,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,137.23 : 394,683.98 = 105,374.34 : x
  2. Step 2: Convert to fraction form
    263,137.23/394,683.98 = 105,374.34/x
  3. Step 3: Cross multiply
    263,137.23x = 394,683.98 × 105,374.34
  4. Step 4: Simplify right side
    263,137.23x = 41,589,563,374.20
  5. Step 5: Solve for x
    x = 41,589,563,374.20/263,137.23
  6. Step 6: Final answer
    x = 158,052.75

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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.