Finding the Fourth Proportional to 132,919.97, 199,207.73 and 53,991.14
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Solution
The fourth proportional to 132,919.97, 199,207.73 and 53,991.14 is: 80,916.75
Step by Step Solution
- Step 1: Write the proportion equation
132,919.97 : 199,207.73 = 53,991.14 : x - Step 2: Convert to fraction form
132,919.97/199,207.73 = 53,991.14/x - Step 3: Cross multiply
132,919.97x = 199,207.73 × 53,991.14 - Step 4: Simplify right side
132,919.97x = 10,755,452,439.51 - Step 5: Solve for x
x = 10,755,452,439.51/132,919.97 - Step 6: Final answer
x = 80,916.75
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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.