Finding the Fourth Proportional to 192,043.68, 265,020.57 and 107,160.99
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Solution
The fourth proportional to 192,043.68, 265,020.57 and 107,160.99 is: 147,882.33
Step by Step Solution
- Step 1: Write the proportion equation
192,043.68 : 265,020.57 = 107,160.99 : x - Step 2: Convert to fraction form
192,043.68/265,020.57 = 107,160.99/x - Step 3: Cross multiply
192,043.68x = 265,020.57 × 107,160.99 - Step 4: Simplify right side
192,043.68x = 28,399,866,651.56 - Step 5: Solve for x
x = 28,399,866,651.56/192,043.68 - Step 6: Final answer
x = 147,882.33
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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.