Finding the Fourth Proportional to 163,840.26, 226,085.14 and 91,237.66
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Solution
The fourth proportional to 163,840.26, 226,085.14 and 91,237.66 is: 125,899.94
Step by Step Solution
- Step 1: Write the proportion equation
163,840.26 : 226,085.14 = 91,237.66 : x - Step 2: Convert to fraction form
163,840.26/226,085.14 = 91,237.66/x - Step 3: Cross multiply
163,840.26x = 226,085.14 × 91,237.66 - Step 4: Simplify right side
163,840.26x = 20,627,479,134.37 - Step 5: Solve for x
x = 20,627,479,134.37/163,840.26 - Step 6: Final answer
x = 125,899.94
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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.