Finding the Fourth Proportional to 96,193.68, 144,342.09 and 40,072.56
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Solution
The fourth proportional to 96,193.68, 144,342.09 and 40,072.56 is: 60,130.32
Step by Step Solution
- Step 1: Write the proportion equation
96,193.68 : 144,342.09 = 40,072.56 : x - Step 2: Convert to fraction form
96,193.68/144,342.09 = 40,072.56/x - Step 3: Cross multiply
96,193.68x = 144,342.09 × 40,072.56 - Step 4: Simplify right side
96,193.68x = 5,784,157,062.05 - Step 5: Solve for x
x = 5,784,157,062.05/96,193.68 - Step 6: Final answer
x = 60,130.32
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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.