Finding the Fourth Proportional to 107,348.40, 160,977.64 and 40,751.80
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Solution
The fourth proportional to 107,348.40, 160,977.64 and 40,751.80 is: 61,110.63
Step by Step Solution
- Step 1: Write the proportion equation
107,348.40 : 160,977.64 = 40,751.80 : x - Step 2: Convert to fraction form
107,348.40/160,977.64 = 40,751.80/x - Step 3: Cross multiply
107,348.40x = 160,977.64 × 40,751.80 - Step 4: Simplify right side
107,348.40x = 6,560,128,589.75 - Step 5: Solve for x
x = 6,560,128,589.75/107,348.40 - Step 6: Final answer
x = 61,110.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.