Finding the Fourth Proportional to 126,115.36, 174,039.36 and 69,526.73
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Solution
The fourth proportional to 126,115.36, 174,039.36 and 69,526.73 is: 95,946.98
Step by Step Solution
- Step 1: Write the proportion equation
126,115.36 : 174,039.36 = 69,526.73 : x - Step 2: Convert to fraction form
126,115.36/174,039.36 = 69,526.73/x - Step 3: Cross multiply
126,115.36x = 174,039.36 × 69,526.73 - Step 4: Simplify right side
126,115.36x = 12,100,387,592.09 - Step 5: Solve for x
x = 12,100,387,592.09/126,115.36 - Step 6: Final answer
x = 95,946.98
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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.