Finding the Fourth Proportional to 135,678.96, 202,530.20 and 125,673.39
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Solution
The fourth proportional to 135,678.96, 202,530.20 and 125,673.39 is: 187,594.72
Step by Step Solution
- Step 1: Write the proportion equation
135,678.96 : 202,530.20 = 125,673.39 : x - Step 2: Convert to fraction form
135,678.96/202,530.20 = 125,673.39/x - Step 3: Cross multiply
135,678.96x = 202,530.20 × 125,673.39 - Step 4: Simplify right side
135,678.96x = 25,452,656,183.01 - Step 5: Solve for x
x = 25,452,656,183.01/135,678.96 - Step 6: Final answer
x = 187,594.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.