Home / 263,269.32-394,903.98-123,126.36

Finding the Fourth Proportional to 263,269.32, 394,903.98 and 123,126.36

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Solution

The fourth proportional to 263,269.32, 394,903.98 and 123,126.36 is: 184,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269.32 : 394,903.98 = 123,126.36 : x
  2. Step 2: Convert to fraction form
    263,269.32/394,903.98 = 123,126.36/x
  3. Step 3: Cross multiply
    263,269.32x = 394,903.98 × 123,126.36
  4. Step 4: Simplify right side
    263,269.32x = 48,623,089,606.91
  5. Step 5: Solve for x
    x = 48,623,089,606.91/263,269.32
  6. Step 6: Final answer
    x = 184,689.54

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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.