Finding the Fourth Proportional to 132,902.88, 183,229.92 and 107,380.68
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Solution
The fourth proportional to 132,902.88, 183,229.92 and 107,380.68 is: 148,043.09
Step by Step Solution
- Step 1: Write the proportion equation
132,902.88 : 183,229.92 = 107,380.68 : x - Step 2: Convert to fraction form
132,902.88/183,229.92 = 107,380.68/x - Step 3: Cross multiply
132,902.88x = 183,229.92 × 107,380.68 - Step 4: Simplify right side
132,902.88x = 19,675,353,405.95 - Step 5: Solve for x
x = 19,675,353,405.95/132,902.88 - Step 6: Final answer
x = 148,043.09
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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.