Finding the Fourth Proportional to 126,133.13, 174,065.07 and 68,771.99
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Solution
The fourth proportional to 126,133.13, 174,065.07 and 68,771.99 is: 94,906.08
Step by Step Solution
- Step 1: Write the proportion equation
126,133.13 : 174,065.07 = 68,771.99 : x - Step 2: Convert to fraction form
126,133.13/174,065.07 = 68,771.99/x - Step 3: Cross multiply
126,133.13x = 174,065.07 × 68,771.99 - Step 4: Simplify right side
126,133.13x = 11,970,800,383.06 - Step 5: Solve for x
x = 11,970,800,383.06/126,133.13 - Step 6: Final answer
x = 94,906.08
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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.