Finding the Fourth Proportional to 121,227.48, 167,281.94 and 67,517.49
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Solution
The fourth proportional to 121,227.48, 167,281.94 and 67,517.49 is: 93,167.46
Step by Step Solution
- Step 1: Write the proportion equation
121,227.48 : 167,281.94 = 67,517.49 : x - Step 2: Convert to fraction form
121,227.48/167,281.94 = 67,517.49/x - Step 3: Cross multiply
121,227.48x = 167,281.94 × 67,517.49 - Step 4: Simplify right side
121,227.48x = 11,294,456,711.13 - Step 5: Solve for x
x = 11,294,456,711.13/121,227.48 - Step 6: Final answer
x = 93,167.46
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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.