Finding the Fourth Proportional to 135,093.07, 202,674.62 and 71,861.12
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Solution
The fourth proportional to 135,093.07, 202,674.62 and 71,861.12 is: 107,810.31
Step by Step Solution
- Step 1: Write the proportion equation
135,093.07 : 202,674.62 = 71,861.12 : x - Step 2: Convert to fraction form
135,093.07/202,674.62 = 71,861.12/x - Step 3: Cross multiply
135,093.07x = 202,674.62 × 71,861.12 - Step 4: Simplify right side
135,093.07x = 14,564,425,188.77 - Step 5: Solve for x
x = 14,564,425,188.77/135,093.07 - Step 6: Final answer
x = 107,810.31
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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.