Finding the Fourth Proportional to 146,135.13, 201,666.48 and 79,067.13
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Solution
The fourth proportional to 146,135.13, 201,666.48 and 79,067.13 is: 109,112.64
Step by Step Solution
- Step 1: Write the proportion equation
146,135.13 : 201,666.48 = 79,067.13 : x - Step 2: Convert to fraction form
146,135.13/201,666.48 = 79,067.13/x - Step 3: Cross multiply
146,135.13x = 201,666.48 × 79,067.13 - Step 4: Simplify right side
146,135.13x = 15,945,189,790.80 - Step 5: Solve for x
x = 15,945,189,790.80/146,135.13 - Step 6: Final answer
x = 109,112.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.