Finding the Fourth Proportional to 116,132.31, 160,268.22 and 68,400.99
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Solution
The fourth proportional to 116,132.31, 160,268.22 and 68,400.99 is: 94,396.68
Step by Step Solution
- Step 1: Write the proportion equation
116,132.31 : 160,268.22 = 68,400.99 : x - Step 2: Convert to fraction form
116,132.31/160,268.22 = 68,400.99/x - Step 3: Cross multiply
116,132.31x = 160,268.22 × 68,400.99 - Step 4: Simplify right side
116,132.31x = 10,962,504,913.54 - Step 5: Solve for x
x = 10,962,504,913.54/116,132.31 - Step 6: Final answer
x = 94,396.68
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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.