Finding the Fourth Proportional to 181,742.05, 250,812.35 and 101,174.79
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Solution
The fourth proportional to 181,742.05, 250,812.35 and 101,174.79 is: 139,625.84
Step by Step Solution
- Step 1: Write the proportion equation
181,742.05 : 250,812.35 = 101,174.79 : x - Step 2: Convert to fraction form
181,742.05/250,812.35 = 101,174.79/x - Step 3: Cross multiply
181,742.05x = 250,812.35 × 101,174.79 - Step 4: Simplify right side
181,742.05x = 25,375,886,334.78 - Step 5: Solve for x
x = 25,375,886,334.78/181,742.05 - Step 6: Final answer
x = 139,625.84
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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.