Finding the Fourth Proportional to 163,370.09, 225,424.26 and 102,109.05
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Solution
The fourth proportional to 163,370.09, 225,424.26 and 102,109.05 is: 140,893.95
Step by Step Solution
- Step 1: Write the proportion equation
163,370.09 : 225,424.26 = 102,109.05 : x - Step 2: Convert to fraction form
163,370.09/225,424.26 = 102,109.05/x - Step 3: Cross multiply
163,370.09x = 225,424.26 × 102,109.05 - Step 4: Simplify right side
163,370.09x = 23,017,857,035.55 - Step 5: Solve for x
x = 23,017,857,035.55/163,370.09 - Step 6: Final answer
x = 140,893.95
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1.5x scale
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.