Finding the Fourth Proportional to 144,171.93, 198,957.69 and 80,512.14
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Solution
The fourth proportional to 144,171.93, 198,957.69 and 80,512.14 is: 111,106.99
Step by Step Solution
- Step 1: Write the proportion equation
144,171.93 : 198,957.69 = 80,512.14 : x - Step 2: Convert to fraction form
144,171.93/198,957.69 = 80,512.14/x - Step 3: Cross multiply
144,171.93x = 198,957.69 × 80,512.14 - Step 4: Simplify right side
144,171.93x = 16,018,509,391.36 - Step 5: Solve for x
x = 16,018,509,391.36/144,171.93 - Step 6: Final answer
x = 111,106.99
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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.