Finding the Fourth Proportional to 141,067.00, 194,672.49 and 80,638.98
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Solution
The fourth proportional to 141,067.00, 194,672.49 and 80,638.98 is: 111,281.80
Step by Step Solution
- Step 1: Write the proportion equation
141,067.00 : 194,672.49 = 80,638.98 : x - Step 2: Convert to fraction form
141,067.00/194,672.49 = 80,638.98/x - Step 3: Cross multiply
141,067.00x = 194,672.49 × 80,638.98 - Step 4: Simplify right side
141,067.00x = 15,698,189,995.24 - Step 5: Solve for x
x = 15,698,189,995.24/141,067.00 - Step 6: Final answer
x = 111,281.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.