Finding the Fourth Proportional to 163,289.93, 225,339.94 and 91,670.09
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Solution
The fourth proportional to 163,289.93, 225,339.94 and 91,670.09 is: 126,504.63
Step by Step Solution
- Step 1: Write the proportion equation
163,289.93 : 225,339.94 = 91,670.09 : x - Step 2: Convert to fraction form
163,289.93/225,339.94 = 91,670.09/x - Step 3: Cross multiply
163,289.93x = 225,339.94 × 91,670.09 - Step 4: Simplify right side
163,289.93x = 20,656,932,122.04 - Step 5: Solve for x
x = 20,656,932,122.04/163,289.93 - Step 6: Final answer
x = 126,504.63
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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.