Finding the Fourth Proportional to 130,608.62, 180,241.94 and 73,260.68
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Solution
The fourth proportional to 130,608.62, 180,241.94 and 73,260.68 is: 101,100.89
Step by Step Solution
- Step 1: Write the proportion equation
130,608.62 : 180,241.94 = 73,260.68 : x - Step 2: Convert to fraction form
130,608.62/180,241.94 = 73,260.68/x - Step 3: Cross multiply
130,608.62x = 180,241.94 × 73,260.68 - Step 4: Simplify right side
130,608.62x = 13,204,647,088.92 - Step 5: Solve for x
x = 13,204,647,088.92/130,608.62 - Step 6: Final answer
x = 101,100.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.