Finding the Fourth Proportional to 126,593.58, 174,698.87 and 72,858.99
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Solution
The fourth proportional to 126,593.58, 174,698.87 and 72,858.99 is: 100,545.25
Step by Step Solution
- Step 1: Write the proportion equation
126,593.58 : 174,698.87 = 72,858.99 : x - Step 2: Convert to fraction form
126,593.58/174,698.87 = 72,858.99/x - Step 3: Cross multiply
126,593.58x = 174,698.87 × 72,858.99 - Step 4: Simplify right side
126,593.58x = 12,728,382,858.05 - Step 5: Solve for x
x = 12,728,382,858.05/126,593.58 - Step 6: Final answer
x = 100,545.25
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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.