Home / 263,541.90-363,687.96-142,683.21

Finding the Fourth Proportional to 263,541.90, 363,687.96 and 142,683.21

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Solution

The fourth proportional to 263,541.90, 363,687.96 and 142,683.21 is: 196,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,541.90 : 363,687.96 = 142,683.21 : x
  2. Step 2: Convert to fraction form
    263,541.90/363,687.96 = 142,683.21/x
  3. Step 3: Cross multiply
    263,541.90x = 363,687.96 × 142,683.21
  4. Step 4: Simplify right side
    263,541.90x = 51,892,165,571.15
  5. Step 5: Solve for x
    x = 51,892,165,571.15/263,541.90
  6. Step 6: Final answer
    x = 196,902.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.