Home / 133,853.55-200,680.47-80,533.04

Finding the Fourth Proportional to 133,853.55, 200,680.47 and 80,533.04

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Solution

The fourth proportional to 133,853.55, 200,680.47 and 80,533.04 is: 120,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,853.55 : 200,680.47 = 80,533.04 : x
  2. Step 2: Convert to fraction form
    133,853.55/200,680.47 = 80,533.04/x
  3. Step 3: Cross multiply
    133,853.55x = 200,680.47 × 80,533.04
  4. Step 4: Simplify right side
    133,853.55x = 16,161,408,317.73
  5. Step 5: Solve for x
    x = 16,161,408,317.73/133,853.55
  6. Step 6: Final answer
    x = 120,739.48

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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.