Finding the Fourth Proportional to 163,146.96, 225,147.60 and 91,525.95
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Solution
The fourth proportional to 163,146.96, 225,147.60 and 91,525.95 is: 126,308.50
Step by Step Solution
- Step 1: Write the proportion equation
163,146.96 : 225,147.60 = 91,525.95 : x - Step 2: Convert to fraction form
163,146.96/225,147.60 = 91,525.95/x - Step 3: Cross multiply
163,146.96x = 225,147.60 × 91,525.95 - Step 4: Simplify right side
163,146.96x = 20,606,847,980.22 - Step 5: Solve for x
x = 20,606,847,980.22/163,146.96 - Step 6: Final answer
x = 126,308.50
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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.