Finding the Fourth Proportional to 134,727.80, 202,091.70 and 113,991.80
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Solution
The fourth proportional to 134,727.80, 202,091.70 and 113,991.80 is: 170,987.70
Step by Step Solution
- Step 1: Write the proportion equation
134,727.80 : 202,091.70 = 113,991.80 : x - Step 2: Convert to fraction form
134,727.80/202,091.70 = 113,991.80/x - Step 3: Cross multiply
134,727.80x = 202,091.70 × 113,991.80 - Step 4: Simplify right side
134,727.80x = 23,036,796,648.06 - Step 5: Solve for x
x = 23,036,796,648.06/134,727.80 - Step 6: Final answer
x = 170,987.70
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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.