Finding the Fourth Proportional to 107,536.05, 161,336.88 and 54,982.44
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Solution
The fourth proportional to 107,536.05, 161,336.88 and 54,982.44 is: 82,490.43
Step by Step Solution
- Step 1: Write the proportion equation
107,536.05 : 161,336.88 = 54,982.44 : x - Step 2: Convert to fraction form
107,536.05/161,336.88 = 54,982.44/x - Step 3: Cross multiply
107,536.05x = 161,336.88 × 54,982.44 - Step 4: Simplify right side
107,536.05x = 8,870,695,324.39 - Step 5: Solve for x
x = 8,870,695,324.39/107,536.05 - Step 6: Final answer
x = 82,490.43
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1.5x scale
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.