Finding the Fourth Proportional to 103,431.80, 155,147.70 and 96,050.68
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Solution
The fourth proportional to 103,431.80, 155,147.70 and 96,050.68 is: 144,076.02
Step by Step Solution
- Step 1: Write the proportion equation
103,431.80 : 155,147.70 = 96,050.68 : x - Step 2: Convert to fraction form
103,431.80/155,147.70 = 96,050.68/x - Step 3: Cross multiply
103,431.80x = 155,147.70 × 96,050.68 - Step 4: Simplify right side
103,431.80x = 14,902,042,085.44 - Step 5: Solve for x
x = 14,902,042,085.44/103,431.80 - Step 6: Final answer
x = 144,076.02
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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.