Finding the Fourth Proportional to 163,639.44, 225,821.01 and 92,017.94
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Solution
The fourth proportional to 163,639.44, 225,821.01 and 92,017.94 is: 126,983.95
Step by Step Solution
- Step 1: Write the proportion equation
163,639.44 : 225,821.01 = 92,017.94 : x - Step 2: Convert to fraction form
163,639.44/225,821.01 = 92,017.94/x - Step 3: Cross multiply
163,639.44x = 225,821.01 × 92,017.94 - Step 4: Simplify right side
163,639.44x = 20,779,583,019.81 - Step 5: Solve for x
x = 20,779,583,019.81/163,639.44 - Step 6: Final answer
x = 126,983.95
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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.