Finding the Fourth Proportional to 163,110.08, 225,535.92 and 142,114.88
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Solution
The fourth proportional to 163,110.08, 225,535.92 and 142,114.88 is: 196,505.39
Step by Step Solution
- Step 1: Write the proportion equation
163,110.08 : 225,535.92 = 142,114.88 : x - Step 2: Convert to fraction form
163,110.08/225,535.92 = 142,114.88/x - Step 3: Cross multiply
163,110.08x = 225,535.92 × 142,114.88 - Step 4: Simplify right side
163,110.08x = 32,052,010,206.49 - Step 5: Solve for x
x = 32,052,010,206.49/163,110.08 - Step 6: Final answer
x = 196,505.39
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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.