Finding the Fourth Proportional to 121,110.24, 167,133.65 and 66,668.70
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Solution
The fourth proportional to 121,110.24, 167,133.65 and 66,668.70 is: 92,003.64
Step by Step Solution
- Step 1: Write the proportion equation
121,110.24 : 167,133.65 = 66,668.70 : x - Step 2: Convert to fraction form
121,110.24/167,133.65 = 66,668.70/x - Step 3: Cross multiply
121,110.24x = 167,133.65 × 66,668.70 - Step 4: Simplify right side
121,110.24x = 11,142,583,171.76 - Step 5: Solve for x
x = 11,142,583,171.76/121,110.24 - Step 6: Final answer
x = 92,003.64
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1.5x scale
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.