Finding the Fourth Proportional to 168,122.43, 232,001.97 and 91,639.84
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Solution
The fourth proportional to 168,122.43, 232,001.97 and 91,639.84 is: 126,459.17
Step by Step Solution
- Step 1: Write the proportion equation
168,122.43 : 232,001.97 = 91,639.84 : x - Step 2: Convert to fraction form
168,122.43/232,001.97 = 91,639.84/x - Step 3: Cross multiply
168,122.43x = 232,001.97 × 91,639.84 - Step 4: Simplify right side
168,122.43x = 21,260,623,410.48 - Step 5: Solve for x
x = 21,260,623,410.48/168,122.43 - Step 6: Final answer
x = 126,459.17
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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.