Finding the Fourth Proportional to 136,424.03, 186,901.81 and 131,310.53
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Solution
The fourth proportional to 136,424.03, 186,901.81 and 131,310.53 is: 179,896.29
Step by Step Solution
- Step 1: Write the proportion equation
136,424.03 : 186,901.81 = 131,310.53 : x - Step 2: Convert to fraction form
136,424.03/186,901.81 = 131,310.53/x - Step 3: Cross multiply
136,424.03x = 186,901.81 × 131,310.53 - Step 4: Simplify right side
136,424.03x = 24,542,176,957.10 - Step 5: Solve for x
x = 24,542,176,957.10/136,424.03 - Step 6: Final answer
x = 179,896.29
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.