Finding the Fourth Proportional to 163,961.94, 226,201.77 and 100,189.02
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Solution
The fourth proportional to 163,961.94, 226,201.77 and 100,189.02 is: 138,220.70
Step by Step Solution
- Step 1: Write the proportion equation
163,961.94 : 226,201.77 = 100,189.02 : x - Step 2: Convert to fraction form
163,961.94/226,201.77 = 100,189.02/x - Step 3: Cross multiply
163,961.94x = 226,201.77 × 100,189.02 - Step 4: Simplify right side
163,961.94x = 22,662,933,658.57 - Step 5: Solve for x
x = 22,662,933,658.57/163,961.94 - Step 6: Final answer
x = 138,220.70
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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.