Finding the Fourth Proportional to 118,388.52, 177,738.30 and 83,344.68
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Solution
The fourth proportional to 118,388.52, 177,738.30 and 83,344.68 is: 125,126.50
Step by Step Solution
- Step 1: Write the proportion equation
118,388.52 : 177,738.30 = 83,344.68 : x - Step 2: Convert to fraction form
118,388.52/177,738.30 = 83,344.68/x - Step 3: Cross multiply
118,388.52x = 177,738.30 × 83,344.68 - Step 4: Simplify right side
118,388.52x = 14,813,541,737.24 - Step 5: Solve for x
x = 14,813,541,737.24/118,388.52 - Step 6: Final answer
x = 125,126.50
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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.