Finding the Fourth Proportional to 135,183.09, 202,896.52 and 72,055.79
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Solution
The fourth proportional to 135,183.09, 202,896.52 and 72,055.79 is: 108,148.65
Step by Step Solution
- Step 1: Write the proportion equation
135,183.09 : 202,896.52 = 72,055.79 : x - Step 2: Convert to fraction form
135,183.09/202,896.52 = 72,055.79/x - Step 3: Cross multiply
135,183.09x = 202,896.52 × 72,055.79 - Step 4: Simplify right side
135,183.09x = 14,619,868,603.09 - Step 5: Solve for x
x = 14,619,868,603.09/135,183.09 - Step 6: Final answer
x = 108,148.65
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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.