Finding the Fourth Proportional to 163,135.85, 225,071.00 and 102,684.43
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Solution
The fourth proportional to 163,135.85, 225,071.00 and 102,684.43 is: 141,668.98
Step by Step Solution
- Step 1: Write the proportion equation
163,135.85 : 225,071.00 = 102,684.43 : x - Step 2: Convert to fraction form
163,135.85/225,071.00 = 102,684.43/x - Step 3: Cross multiply
163,135.85x = 225,071.00 × 102,684.43 - Step 4: Simplify right side
163,135.85x = 23,111,288,708.13 - Step 5: Solve for x
x = 23,111,288,708.13/163,135.85 - Step 6: Final answer
x = 141,668.98
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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.