Finding the Fourth Proportional to 146,942.62, 202,802.97 and 89,615.20
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Solution
The fourth proportional to 146,942.62, 202,802.97 and 89,615.20 is: 123,682.49
Step by Step Solution
- Step 1: Write the proportion equation
146,942.62 : 202,802.97 = 89,615.20 : x - Step 2: Convert to fraction form
146,942.62/202,802.97 = 89,615.20/x - Step 3: Cross multiply
146,942.62x = 202,802.97 × 89,615.20 - Step 4: Simplify right side
146,942.62x = 18,174,228,717.14 - Step 5: Solve for x
x = 18,174,228,717.14/146,942.62 - Step 6: Final answer
x = 123,682.49
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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.