Home / 133,221.11-199,828.85-43,263.72

Finding the Fourth Proportional to 133,221.11, 199,828.85 and 43,263.72

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Solution

The fourth proportional to 133,221.11, 199,828.85 and 43,263.72 is: 64,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,221.11 : 199,828.85 = 43,263.72 : x
  2. Step 2: Convert to fraction form
    133,221.11/199,828.85 = 43,263.72/x
  3. Step 3: Cross multiply
    133,221.11x = 199,828.85 × 43,263.72
  4. Step 4: Simplify right side
    133,221.11x = 8,645,339,198.00
  5. Step 5: Solve for x
    x = 8,645,339,198.00/133,221.11
  6. Step 6: Final answer
    x = 64,894.67

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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.