Finding the Fourth Proportional to 106,161.77, 159,193.45 and 39,584.02
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Solution
The fourth proportional to 106,161.77, 159,193.45 and 39,584.02 is: 59,357.69
Step by Step Solution
- Step 1: Write the proportion equation
106,161.77 : 159,193.45 = 39,584.02 : x - Step 2: Convert to fraction form
106,161.77/159,193.45 = 39,584.02/x - Step 3: Cross multiply
106,161.77x = 159,193.45 × 39,584.02 - Step 4: Simplify right side
106,161.77x = 6,301,517,107.19 - Step 5: Solve for x
x = 6,301,517,107.19/106,161.77 - Step 6: Final answer
x = 59,357.69
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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.