Finding the Fourth Proportional to 113,409.21, 169,697.76 and 94,642.92
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Solution
The fourth proportional to 113,409.21, 169,697.76 and 94,642.92 is: 141,617.17
Step by Step Solution
- Step 1: Write the proportion equation
113,409.21 : 169,697.76 = 94,642.92 : x - Step 2: Convert to fraction form
113,409.21/169,697.76 = 94,642.92/x - Step 3: Cross multiply
113,409.21x = 169,697.76 × 94,642.92 - Step 4: Simplify right side
113,409.21x = 16,060,691,523.86 - Step 5: Solve for x
x = 16,060,691,523.86/113,409.21 - Step 6: Final answer
x = 141,617.17
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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.