Home / 133,233.39-199,751.27-80,630.37

Finding the Fourth Proportional to 133,233.39, 199,751.27 and 80,630.37

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Solution

The fourth proportional to 133,233.39, 199,751.27 and 80,630.37 is: 120,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,233.39 : 199,751.27 = 80,630.37 : x
  2. Step 2: Convert to fraction form
    133,233.39/199,751.27 = 80,630.37/x
  3. Step 3: Cross multiply
    133,233.39x = 199,751.27 × 80,630.37
  4. Step 4: Simplify right side
    133,233.39x = 16,106,018,404.92
  5. Step 5: Solve for x
    x = 16,106,018,404.92/133,233.39
  6. Step 6: Final answer
    x = 120,885.75

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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.