Finding the Fourth Proportional to 118,069.80, 177,104.70 and 106,405.80
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Solution
The fourth proportional to 118,069.80, 177,104.70 and 106,405.80 is: 159,608.70
Step by Step Solution
- Step 1: Write the proportion equation
118,069.80 : 177,104.70 = 106,405.80 : x - Step 2: Convert to fraction form
118,069.80/177,104.70 = 106,405.80/x - Step 3: Cross multiply
118,069.80x = 177,104.70 × 106,405.80 - Step 4: Simplify right side
118,069.80x = 18,844,967,287.26 - Step 5: Solve for x
x = 18,844,967,287.26/118,069.80 - Step 6: Final answer
x = 159,608.70
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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.