Finding the Fourth Proportional to 167,119.57, 230,635.97 and 91,668.07
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Solution
The fourth proportional to 167,119.57, 230,635.97 and 91,668.07 is: 126,507.95
Step by Step Solution
- Step 1: Write the proportion equation
167,119.57 : 230,635.97 = 91,668.07 : x - Step 2: Convert to fraction form
167,119.57/230,635.97 = 91,668.07/x - Step 3: Cross multiply
167,119.57x = 230,635.97 × 91,668.07 - Step 4: Simplify right side
167,119.57x = 21,141,954,242.48 - Step 5: Solve for x
x = 21,141,954,242.48/167,119.57 - Step 6: Final answer
x = 126,507.95
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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.