Finding the Fourth Proportional to 134,791.70, 202,081.01 and 67,289.09
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Solution
The fourth proportional to 134,791.70, 202,081.01 and 67,289.09 is: 100,880.44
Step by Step Solution
- Step 1: Write the proportion equation
134,791.70 : 202,081.01 = 67,289.09 : x - Step 2: Convert to fraction form
134,791.70/202,081.01 = 67,289.09/x - Step 3: Cross multiply
134,791.70x = 202,081.01 × 67,289.09 - Step 4: Simplify right side
134,791.70x = 13,597,845,922.33 - Step 5: Solve for x
x = 13,597,845,922.33/134,791.70 - Step 6: Final answer
x = 100,880.44
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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.