Finding the Fourth Proportional to 126,940.19, 175,176.37 and 69,582.70
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Solution
The fourth proportional to 126,940.19, 175,176.37 and 69,582.70 is: 96,023.53
Step by Step Solution
- Step 1: Write the proportion equation
126,940.19 : 175,176.37 = 69,582.70 : x - Step 2: Convert to fraction form
126,940.19/175,176.37 = 69,582.70/x - Step 3: Cross multiply
126,940.19x = 175,176.37 × 69,582.70 - Step 4: Simplify right side
126,940.19x = 12,189,244,800.80 - Step 5: Solve for x
x = 12,189,244,800.80/126,940.19 - Step 6: Final answer
x = 96,023.53
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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.