Finding the Fourth Proportional to 135,302.63, 186,704.93 and 80,843.95
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Solution
The fourth proportional to 135,302.63, 186,704.93 and 80,843.95 is: 111,557.07
Step by Step Solution
- Step 1: Write the proportion equation
135,302.63 : 186,704.93 = 80,843.95 : x - Step 2: Convert to fraction form
135,302.63/186,704.93 = 80,843.95/x - Step 3: Cross multiply
135,302.63x = 186,704.93 × 80,843.95 - Step 4: Simplify right side
135,302.63x = 15,093,964,461.16 - Step 5: Solve for x
x = 15,093,964,461.16/135,302.63 - Step 6: Final answer
x = 111,557.07
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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.