Finding the Fourth Proportional to 136,013.05, 187,694.26 and 75,582.14
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Solution
The fourth proportional to 136,013.05, 187,694.26 and 75,582.14 is: 104,301.27
Step by Step Solution
- Step 1: Write the proportion equation
136,013.05 : 187,694.26 = 75,582.14 : x - Step 2: Convert to fraction form
136,013.05/187,694.26 = 75,582.14/x - Step 3: Cross multiply
136,013.05x = 187,694.26 × 75,582.14 - Step 4: Simplify right side
136,013.05x = 14,186,333,662.13 - Step 5: Solve for x
x = 14,186,333,662.13/136,013.05 - Step 6: Final answer
x = 104,301.27
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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.