Finding the Fourth Proportional to 135,748.09, 203,516.43 and 64,634.14
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Solution
The fourth proportional to 135,748.09, 203,516.43 and 64,634.14 is: 96,900.88
Step by Step Solution
- Step 1: Write the proportion equation
135,748.09 : 203,516.43 = 64,634.14 : x - Step 2: Convert to fraction form
135,748.09/203,516.43 = 64,634.14/x - Step 3: Cross multiply
135,748.09x = 203,516.43 × 64,634.14 - Step 4: Simplify right side
135,748.09x = 13,154,109,428.92 - Step 5: Solve for x
x = 13,154,109,428.92/135,748.09 - Step 6: Final answer
x = 96,900.88
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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.