Finding the Fourth Proportional to 119,089.92, 178,669.97 and 47,975.97
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Solution
The fourth proportional to 119,089.92, 178,669.97 and 47,975.97 is: 71,978.09
Step by Step Solution
- Step 1: Write the proportion equation
119,089.92 : 178,669.97 = 47,975.97 : x - Step 2: Convert to fraction form
119,089.92/178,669.97 = 47,975.97/x - Step 3: Cross multiply
119,089.92x = 178,669.97 × 47,975.97 - Step 4: Simplify right side
119,089.92x = 8,571,865,120.62 - Step 5: Solve for x
x = 8,571,865,120.62/119,089.92 - Step 6: Final answer
x = 71,978.09
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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.