Finding the Fourth Proportional to 134,086.36, 201,203.40 and 81,532.74
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Solution
The fourth proportional to 134,086.36, 201,203.40 and 81,532.74 is: 122,344.02
Step by Step Solution
- Step 1: Write the proportion equation
134,086.36 : 201,203.40 = 81,532.74 : x - Step 2: Convert to fraction form
134,086.36/201,203.40 = 81,532.74/x - Step 3: Cross multiply
134,086.36x = 201,203.40 × 81,532.74 - Step 4: Simplify right side
134,086.36x = 16,404,664,499.32 - Step 5: Solve for x
x = 16,404,664,499.32/134,086.36 - Step 6: Final answer
x = 122,344.02
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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.