Home / 133,072.90-199,609.35-109,453.30

Finding the Fourth Proportional to 133,072.90, 199,609.35 and 109,453.30

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Solution

The fourth proportional to 133,072.90, 199,609.35 and 109,453.30 is: 164,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.90 : 199,609.35 = 109,453.30 : x
  2. Step 2: Convert to fraction form
    133,072.90/199,609.35 = 109,453.30/x
  3. Step 3: Cross multiply
    133,072.90x = 199,609.35 × 109,453.30
  4. Step 4: Simplify right side
    133,072.90x = 21,847,902,068.36
  5. Step 5: Solve for x
    x = 21,847,902,068.36/133,072.90
  6. Step 6: Final answer
    x = 164,179.95

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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.