Finding the Fourth Proportional to 163,172.12, 225,177.30 and 91,558.80
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Solution
The fourth proportional to 163,172.12, 225,177.30 and 91,558.80 is: 126,351.02
Step by Step Solution
- Step 1: Write the proportion equation
163,172.12 : 225,177.30 = 91,558.80 : x - Step 2: Convert to fraction form
163,172.12/225,177.30 = 91,558.80/x - Step 3: Cross multiply
163,172.12x = 225,177.30 × 91,558.80 - Step 4: Simplify right side
163,172.12x = 20,616,963,375.24 - Step 5: Solve for x
x = 20,616,963,375.24/163,172.12 - Step 6: Final answer
x = 126,351.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.