Finding the Fourth Proportional to 110,937.68, 166,505.36 and 51,806.08
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Solution
The fourth proportional to 110,937.68, 166,505.36 and 51,806.08 is: 77,755.28
Step by Step Solution
- Step 1: Write the proportion equation
110,937.68 : 166,505.36 = 51,806.08 : x - Step 2: Convert to fraction form
110,937.68/166,505.36 = 51,806.08/x - Step 3: Cross multiply
110,937.68x = 166,505.36 × 51,806.08 - Step 4: Simplify right side
110,937.68x = 8,625,990,000.59 - Step 5: Solve for x
x = 8,625,990,000.59/110,937.68 - Step 6: Final answer
x = 77,755.28
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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.