Home / 133,743.80-200,445.60-54,768.80

Finding the Fourth Proportional to 133,743.80, 200,445.60 and 54,768.80

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Solution

The fourth proportional to 133,743.80, 200,445.60 and 54,768.80 is: 82,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,743.80 : 200,445.60 = 54,768.80 : x
  2. Step 2: Convert to fraction form
    133,743.80/200,445.60 = 54,768.80/x
  3. Step 3: Cross multiply
    133,743.80x = 200,445.60 × 54,768.80
  4. Step 4: Simplify right side
    133,743.80x = 10,978,164,977.28
  5. Step 5: Solve for x
    x = 10,978,164,977.28/133,743.80
  6. Step 6: Final answer
    x = 82,083.54

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1.5x scale

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.