Finding the Fourth Proportional to 163,189.68, 225,201.24 and 91,570.02
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Solution
The fourth proportional to 163,189.68, 225,201.24 and 91,570.02 is: 126,366.34
Step by Step Solution
- Step 1: Write the proportion equation
163,189.68 : 225,201.24 = 91,570.02 : x - Step 2: Convert to fraction form
163,189.68/225,201.24 = 91,570.02/x - Step 3: Cross multiply
163,189.68x = 225,201.24 × 91,570.02 - Step 4: Simplify right side
163,189.68x = 20,621,682,050.82 - Step 5: Solve for x
x = 20,621,682,050.82/163,189.68 - Step 6: Final answer
x = 126,366.34
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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.