Finding the Fourth Proportional to 118,427.68, 177,553.68 and 71,669.44
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Solution
The fourth proportional to 118,427.68, 177,553.68 and 71,669.44 is: 107,451.00
Step by Step Solution
- Step 1: Write the proportion equation
118,427.68 : 177,553.68 = 71,669.44 : x - Step 2: Convert to fraction form
118,427.68/177,553.68 = 71,669.44/x - Step 3: Cross multiply
118,427.68x = 177,553.68 × 71,669.44 - Step 4: Simplify right side
118,427.68x = 12,725,172,815.54 - Step 5: Solve for x
x = 12,725,172,815.54/118,427.68 - Step 6: Final answer
x = 107,451.00
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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.