Finding the Fourth Proportional to 123,327.36, 170,192.75 and 66,738.74
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Solution
The fourth proportional to 123,327.36, 170,192.75 and 66,738.74 is: 92,099.99
Step by Step Solution
- Step 1: Write the proportion equation
123,327.36 : 170,192.75 = 66,738.74 : x - Step 2: Convert to fraction form
123,327.36/170,192.75 = 66,738.74/x - Step 3: Cross multiply
123,327.36x = 170,192.75 × 66,738.74 - Step 4: Simplify right side
123,327.36x = 11,358,448,507.48 - Step 5: Solve for x
x = 11,358,448,507.48/123,327.36 - Step 6: Final answer
x = 92,099.99
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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.