Finding the Fourth Proportional to 113,548.08, 170,409.60 and 91,415.68
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Solution
The fourth proportional to 113,548.08, 170,409.60 and 91,415.68 is: 137,193.95
Step by Step Solution
- Step 1: Write the proportion equation
113,548.08 : 170,409.60 = 91,415.68 : x - Step 2: Convert to fraction form
113,548.08/170,409.60 = 91,415.68/x - Step 3: Cross multiply
113,548.08x = 170,409.60 × 91,415.68 - Step 4: Simplify right side
113,548.08x = 15,578,109,462.53 - Step 5: Solve for x
x = 15,578,109,462.53/113,548.08 - Step 6: Final answer
x = 137,193.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.