Finding the Fourth Proportional to 126,551.58, 190,122.62 and 73,997.97
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Solution
The fourth proportional to 126,551.58, 190,122.62 and 73,997.97 is: 111,169.59
Step by Step Solution
- Step 1: Write the proportion equation
126,551.58 : 190,122.62 = 73,997.97 : x - Step 2: Convert to fraction form
126,551.58/190,122.62 = 73,997.97/x - Step 3: Cross multiply
126,551.58x = 190,122.62 × 73,997.97 - Step 4: Simplify right side
126,551.58x = 14,068,687,561.09 - Step 5: Solve for x
x = 14,068,687,561.09/126,551.58 - Step 6: Final answer
x = 111,169.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.