Finding the Fourth Proportional to 118,845.80, 178,268.70 and 101,349.80
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Solution
The fourth proportional to 118,845.80, 178,268.70 and 101,349.80 is: 152,024.70
Step by Step Solution
- Step 1: Write the proportion equation
118,845.80 : 178,268.70 = 101,349.80 : x - Step 2: Convert to fraction form
118,845.80/178,268.70 = 101,349.80/x - Step 3: Cross multiply
118,845.80x = 178,268.70 × 101,349.80 - Step 4: Simplify right side
118,845.80x = 18,067,497,091.26 - Step 5: Solve for x
x = 18,067,497,091.26/118,845.80 - Step 6: Final answer
x = 152,024.70
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1.5x scale
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.