Finding the Fourth Proportional to 121,352.33, 167,466.99 and 67,640.75
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Solution
The fourth proportional to 121,352.33, 167,466.99 and 67,640.75 is: 93,344.67
Step by Step Solution
- Step 1: Write the proportion equation
121,352.33 : 167,466.99 = 67,640.75 : x - Step 2: Convert to fraction form
121,352.33/167,466.99 = 67,640.75/x - Step 3: Cross multiply
121,352.33x = 167,466.99 × 67,640.75 - Step 4: Simplify right side
121,352.33x = 11,327,593,083.66 - Step 5: Solve for x
x = 11,327,593,083.66/121,352.33 - Step 6: Final answer
x = 93,344.67
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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.