Finding the Fourth Proportional to 163,557.20, 225,732.84 and 91,943.12
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Solution
The fourth proportional to 163,557.20, 225,732.84 and 91,943.12 is: 126,894.94
Step by Step Solution
- Step 1: Write the proportion equation
163,557.20 : 225,732.84 = 91,943.12 : x - Step 2: Convert to fraction form
163,557.20/225,732.84 = 91,943.12/x - Step 3: Cross multiply
163,557.20x = 225,732.84 × 91,943.12 - Step 4: Simplify right side
163,557.20x = 20,754,581,596.06 - Step 5: Solve for x
x = 20,754,581,596.06/163,557.20 - Step 6: Final answer
x = 126,894.94
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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.