Finding the Fourth Proportional to 132,544.31, 198,828.71 and 53,664.68
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Solution
The fourth proportional to 132,544.31, 198,828.71 and 53,664.68 is: 80,501.99
Step by Step Solution
- Step 1: Write the proportion equation
132,544.31 : 198,828.71 = 53,664.68 : x - Step 2: Convert to fraction form
132,544.31/198,828.71 = 53,664.68/x - Step 3: Cross multiply
132,544.31x = 198,828.71 × 53,664.68 - Step 4: Simplify right side
132,544.31x = 10,670,079,728.20 - Step 5: Solve for x
x = 10,670,079,728.20/132,544.31 - Step 6: Final answer
x = 80,501.99
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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.