Finding the Fourth Proportional to 146,185.53, 201,736.04 and 79,117.53
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Solution
The fourth proportional to 146,185.53, 201,736.04 and 79,117.53 is: 109,182.19
Step by Step Solution
- Step 1: Write the proportion equation
146,185.53 : 201,736.04 = 79,117.53 : x - Step 2: Convert to fraction form
146,185.53/201,736.04 = 79,117.53/x - Step 3: Cross multiply
146,185.53x = 201,736.04 × 79,117.53 - Step 4: Simplify right side
146,185.53x = 15,960,856,801.19 - Step 5: Solve for x
x = 15,960,856,801.19/146,185.53 - Step 6: Final answer
x = 109,182.19
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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.