Finding the Fourth Proportional to 163,927.14, 226,195.92 and 91,329.54
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Solution
The fourth proportional to 163,927.14, 226,195.92 and 91,329.54 is: 126,021.65
Step by Step Solution
- Step 1: Write the proportion equation
163,927.14 : 226,195.92 = 91,329.54 : x - Step 2: Convert to fraction form
163,927.14/226,195.92 = 91,329.54/x - Step 3: Cross multiply
163,927.14x = 226,195.92 × 91,329.54 - Step 4: Simplify right side
163,927.14x = 20,658,369,323.48 - Step 5: Solve for x
x = 20,658,369,323.48/163,927.14 - Step 6: Final answer
x = 126,021.65
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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.