Finding the Fourth Proportional to 106,850.36, 146,681.35 and 91,716.74
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Solution
The fourth proportional to 106,850.36, 146,681.35 and 91,716.74 is: 125,906.33
Step by Step Solution
- Step 1: Write the proportion equation
106,850.36 : 146,681.35 = 91,716.74 : x - Step 2: Convert to fraction form
106,850.36/146,681.35 = 91,716.74/x - Step 3: Cross multiply
106,850.36x = 146,681.35 × 91,716.74 - Step 4: Simplify right side
106,850.36x = 13,453,135,640.43 - Step 5: Solve for x
x = 13,453,135,640.43/106,850.36 - Step 6: Final answer
x = 125,906.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.