Finding the Fourth Proportional to 126,326.93, 174,388.14 and 83,331.99
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Solution
The fourth proportional to 126,326.93, 174,388.14 and 83,331.99 is: 115,035.74
Step by Step Solution
- Step 1: Write the proportion equation
126,326.93 : 174,388.14 = 83,331.99 : x - Step 2: Convert to fraction form
126,326.93/174,388.14 = 83,331.99/x - Step 3: Cross multiply
126,326.93x = 174,388.14 × 83,331.99 - Step 4: Simplify right side
126,326.93x = 14,532,110,738.60 - Step 5: Solve for x
x = 14,532,110,738.60/126,326.93 - Step 6: Final answer
x = 115,035.74
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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.