Finding the Fourth Proportional to 121,266.07, 167,324.97 and 67,549.75
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Solution
The fourth proportional to 121,266.07, 167,324.97 and 67,549.75 is: 93,206.29
Step by Step Solution
- Step 1: Write the proportion equation
121,266.07 : 167,324.97 = 67,549.75 : x - Step 2: Convert to fraction form
121,266.07/167,324.97 = 67,549.75/x - Step 3: Cross multiply
121,266.07x = 167,324.97 × 67,549.75 - Step 4: Simplify right side
121,266.07x = 11,302,759,892.26 - Step 5: Solve for x
x = 11,302,759,892.26/121,266.07 - Step 6: Final answer
x = 93,206.29
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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.