Finding the Fourth Proportional to 115,450.20, 173,175.30 and 76,051.80
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Solution
The fourth proportional to 115,450.20, 173,175.30 and 76,051.80 is: 114,077.70
Step by Step Solution
- Step 1: Write the proportion equation
115,450.20 : 173,175.30 = 76,051.80 : x - Step 2: Convert to fraction form
115,450.20/173,175.30 = 76,051.80/x - Step 3: Cross multiply
115,450.20x = 173,175.30 × 76,051.80 - Step 4: Simplify right side
115,450.20x = 13,170,293,280.54 - Step 5: Solve for x
x = 13,170,293,280.54/115,450.20 - Step 6: Final answer
x = 114,077.70
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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.