Finding the Fourth Proportional to 126,035.36, 173,920.69 and 75,051.84
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Solution
The fourth proportional to 126,035.36, 173,920.69 and 75,051.84 is: 103,566.70
Step by Step Solution
- Step 1: Write the proportion equation
126,035.36 : 173,920.69 = 75,051.84 : x - Step 2: Convert to fraction form
126,035.36/173,920.69 = 75,051.84/x - Step 3: Cross multiply
126,035.36x = 173,920.69 × 75,051.84 - Step 4: Simplify right side
126,035.36x = 13,053,066,928.97 - Step 5: Solve for x
x = 13,053,066,928.97/126,035.36 - Step 6: Final answer
x = 103,566.70
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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.