Finding the Fourth Proportional to 118,537.26, 177,590.56 and 68,511.70
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Solution
The fourth proportional to 118,537.26, 177,590.56 and 68,511.70 is: 102,643.09
Step by Step Solution
- Step 1: Write the proportion equation
118,537.26 : 177,590.56 = 68,511.70 : x - Step 2: Convert to fraction form
118,537.26/177,590.56 = 68,511.70/x - Step 3: Cross multiply
118,537.26x = 177,590.56 × 68,511.70 - Step 4: Simplify right side
118,537.26x = 12,167,031,169.55 - Step 5: Solve for x
x = 12,167,031,169.55/118,537.26 - Step 6: Final answer
x = 102,643.09
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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.