Finding the Fourth Proportional to 118,083.80, 177,125.70 and 94,755.80
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Solution
The fourth proportional to 118,083.80, 177,125.70 and 94,755.80 is: 142,133.70
Step by Step Solution
- Step 1: Write the proportion equation
118,083.80 : 177,125.70 = 94,755.80 : x - Step 2: Convert to fraction form
118,083.80/177,125.70 = 94,755.80/x - Step 3: Cross multiply
118,083.80x = 177,125.70 × 94,755.80 - Step 4: Simplify right side
118,083.80x = 16,783,687,404.06 - Step 5: Solve for x
x = 16,783,687,404.06/118,083.80 - Step 6: Final answer
x = 142,133.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.