Finding the Fourth Proportional to 168,234.56, 232,163.76 and 92,787.92
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Solution
The fourth proportional to 168,234.56, 232,163.76 and 92,787.92 is: 128,047.37
Step by Step Solution
- Step 1: Write the proportion equation
168,234.56 : 232,163.76 = 92,787.92 : x - Step 2: Convert to fraction form
168,234.56/232,163.76 = 92,787.92/x - Step 3: Cross multiply
168,234.56x = 232,163.76 × 92,787.92 - Step 4: Simplify right side
168,234.56x = 21,541,992,389.78 - Step 5: Solve for x
x = 21,541,992,389.78/168,234.56 - Step 6: Final answer
x = 128,047.37
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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.