Finding the Fourth Proportional to 127,338.24, 190,941.44 and 57,157.12
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Solution
The fourth proportional to 127,338.24, 190,941.44 and 57,157.12 is: 85,706.09
Step by Step Solution
- Step 1: Write the proportion equation
127,338.24 : 190,941.44 = 57,157.12 : x - Step 2: Convert to fraction form
127,338.24/190,941.44 = 57,157.12/x - Step 3: Cross multiply
127,338.24x = 190,941.44 × 57,157.12 - Step 4: Simplify right side
127,338.24x = 10,913,662,799.05 - Step 5: Solve for x
x = 10,913,662,799.05/127,338.24 - Step 6: Final answer
x = 85,706.09
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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.