Home / 133,840.20-200,760.30-54,913.80

Finding the Fourth Proportional to 133,840.20, 200,760.30 and 54,913.80

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Solution

The fourth proportional to 133,840.20, 200,760.30 and 54,913.80 is: 82,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840.20 : 200,760.30 = 54,913.80 : x
  2. Step 2: Convert to fraction form
    133,840.20/200,760.30 = 54,913.80/x
  3. Step 3: Cross multiply
    133,840.20x = 200,760.30 × 54,913.80
  4. Step 4: Simplify right side
    133,840.20x = 11,024,510,962.14
  5. Step 5: Solve for x
    x = 11,024,510,962.14/133,840.20
  6. Step 6: Final answer
    x = 82,370.70

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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.