Finding the Fourth Proportional to 146,176.93, 201,724.16 and 79,108.93
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Solution
The fourth proportional to 146,176.93, 201,724.16 and 79,108.93 is: 109,170.32
Step by Step Solution
- Step 1: Write the proportion equation
146,176.93 : 201,724.16 = 79,108.93 : x - Step 2: Convert to fraction form
146,176.93/201,724.16 = 79,108.93/x - Step 3: Cross multiply
146,176.93x = 201,724.16 × 79,108.93 - Step 4: Simplify right side
146,176.93x = 15,958,182,452.75 - Step 5: Solve for x
x = 15,958,182,452.75/146,176.93 - Step 6: Final answer
x = 109,170.32
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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.