Finding the Fourth Proportional to 162,105.99, 242,660.73 and 138,191.14
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Solution
The fourth proportional to 162,105.99, 242,660.73 and 138,191.14 is: 206,861.96
Step by Step Solution
- Step 1: Write the proportion equation
162,105.99 : 242,660.73 = 138,191.14 : x - Step 2: Convert to fraction form
162,105.99/242,660.73 = 138,191.14/x - Step 3: Cross multiply
162,105.99x = 242,660.73 × 138,191.14 - Step 4: Simplify right side
162,105.99x = 33,533,562,911.93 - Step 5: Solve for x
x = 33,533,562,911.93/162,105.99 - Step 6: Final answer
x = 206,861.96
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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.