Finding the Fourth Proportional to 192,545.42, 265,793.56 and 117,120.14
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Solution
The fourth proportional to 192,545.42, 265,793.56 and 117,120.14 is: 161,674.99
Step by Step Solution
- Step 1: Write the proportion equation
192,545.42 : 265,793.56 = 117,120.14 : x - Step 2: Convert to fraction form
192,545.42/265,793.56 = 117,120.14/x - Step 3: Cross multiply
192,545.42x = 265,793.56 × 117,120.14 - Step 4: Simplify right side
192,545.42x = 31,129,778,958.30 - Step 5: Solve for x
x = 31,129,778,958.30/192,545.42 - Step 6: Final answer
x = 161,674.99
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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.