Finding the Fourth Proportional to 118,536.26, 177,589.06 and 68,510.70
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Solution
The fourth proportional to 118,536.26, 177,589.06 and 68,510.70 is: 102,641.60
Step by Step Solution
- Step 1: Write the proportion equation
118,536.26 : 177,589.06 = 68,510.70 : x - Step 2: Convert to fraction form
118,536.26/177,589.06 = 68,510.70/x - Step 3: Cross multiply
118,536.26x = 177,589.06 × 68,510.70 - Step 4: Simplify right side
118,536.26x = 12,166,750,812.94 - Step 5: Solve for x
x = 12,166,750,812.94/118,536.26 - Step 6: Final answer
x = 102,641.60
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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.