Finding the Fourth Proportional to 121,269.07, 167,356.36 and 67,554.07
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Solution
The fourth proportional to 121,269.07, 167,356.36 and 67,554.07 is: 93,227.43
Step by Step Solution
- Step 1: Write the proportion equation
121,269.07 : 167,356.36 = 67,554.07 : x - Step 2: Convert to fraction form
121,269.07/167,356.36 = 67,554.07/x - Step 3: Cross multiply
121,269.07x = 167,356.36 × 67,554.07 - Step 4: Simplify right side
121,269.07x = 11,305,602,920.61 - Step 5: Solve for x
x = 11,305,602,920.61/121,269.07 - Step 6: Final answer
x = 93,227.43
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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.