Finding the Fourth Proportional to 121,950.09, 168,299.37 and 68,232.15
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Solution
The fourth proportional to 121,950.09, 168,299.37 and 68,232.15 is: 94,164.98
Step by Step Solution
- Step 1: Write the proportion equation
121,950.09 : 168,299.37 = 68,232.15 : x - Step 2: Convert to fraction form
121,950.09/168,299.37 = 68,232.15/x - Step 3: Cross multiply
121,950.09x = 168,299.37 × 68,232.15 - Step 4: Simplify right side
121,950.09x = 11,483,427,858.75 - Step 5: Solve for x
x = 11,483,427,858.75/121,950.09 - Step 6: Final answer
x = 94,164.98
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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.