Finding the Fourth Proportional to 135,096.87, 186,440.76 and 77,744.94
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Solution
The fourth proportional to 135,096.87, 186,440.76 and 77,744.94 is: 107,292.09
Step by Step Solution
- Step 1: Write the proportion equation
135,096.87 : 186,440.76 = 77,744.94 : x - Step 2: Convert to fraction form
135,096.87/186,440.76 = 77,744.94/x - Step 3: Cross multiply
135,096.87x = 186,440.76 × 77,744.94 - Step 4: Simplify right side
135,096.87x = 14,494,825,699.75 - Step 5: Solve for x
x = 14,494,825,699.75/135,096.87 - Step 6: Final answer
x = 107,292.09
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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.