Finding the Fourth Proportional to 122,102.24, 182,825.28 and 77,487.44
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Solution
The fourth proportional to 122,102.24, 182,825.28 and 77,487.44 is: 116,022.96
Step by Step Solution
- Step 1: Write the proportion equation
122,102.24 : 182,825.28 = 77,487.44 : x - Step 2: Convert to fraction form
122,102.24/182,825.28 = 77,487.44/x - Step 3: Cross multiply
122,102.24x = 182,825.28 × 77,487.44 - Step 4: Simplify right side
122,102.24x = 14,166,662,914.48 - Step 5: Solve for x
x = 14,166,662,914.48/122,102.24 - Step 6: Final answer
x = 116,022.96
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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.