Finding the Fourth Proportional to 135,636.39, 203,465.64 and 68,133.69
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Solution
The fourth proportional to 135,636.39, 203,465.64 and 68,133.69 is: 102,206.09
Step by Step Solution
- Step 1: Write the proportion equation
135,636.39 : 203,465.64 = 68,133.69 : x - Step 2: Convert to fraction form
135,636.39/203,465.64 = 68,133.69/x - Step 3: Cross multiply
135,636.39x = 203,465.64 × 68,133.69 - Step 4: Simplify right side
135,636.39x = 13,862,864,841.41 - Step 5: Solve for x
x = 13,862,864,841.41/135,636.39 - Step 6: Final answer
x = 102,206.09
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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.