Finding the Fourth Proportional to 104,715.07, 144,441.99 and 91,318.48
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Solution
The fourth proportional to 104,715.07, 144,441.99 and 91,318.48 is: 125,962.99
Step by Step Solution
- Step 1: Write the proportion equation
104,715.07 : 144,441.99 = 91,318.48 : x - Step 2: Convert to fraction form
104,715.07/144,441.99 = 91,318.48/x - Step 3: Cross multiply
104,715.07x = 144,441.99 × 91,318.48 - Step 4: Simplify right side
104,715.07x = 13,190,222,974.98 - Step 5: Solve for x
x = 13,190,222,974.98/104,715.07 - Step 6: Final answer
x = 125,962.99
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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.