Finding the Fourth Proportional to 134,615.21, 201,883.93 and 45,866.75
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Solution
The fourth proportional to 134,615.21, 201,883.93 and 45,866.75 is: 68,786.88
Step by Step Solution
- Step 1: Write the proportion equation
134,615.21 : 201,883.93 = 45,866.75 : x - Step 2: Convert to fraction form
134,615.21/201,883.93 = 45,866.75/x - Step 3: Cross multiply
134,615.21x = 201,883.93 × 45,866.75 - Step 4: Simplify right side
134,615.21x = 9,259,759,746.33 - Step 5: Solve for x
x = 9,259,759,746.33/134,615.21 - Step 6: Final answer
x = 68,786.88
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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.