Finding the Fourth Proportional to 109,197.11, 150,313.12 and 94,139.62
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Solution
The fourth proportional to 109,197.11, 150,313.12 and 94,139.62 is: 129,586.02
Step by Step Solution
- Step 1: Write the proportion equation
109,197.11 : 150,313.12 = 94,139.62 : x - Step 2: Convert to fraction form
109,197.11/150,313.12 = 94,139.62/x - Step 3: Cross multiply
109,197.11x = 150,313.12 × 94,139.62 - Step 4: Simplify right side
109,197.11x = 14,150,419,386.68 - Step 5: Solve for x
x = 14,150,419,386.68/109,197.11 - Step 6: Final answer
x = 129,586.02
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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.