Finding the Fourth Proportional to 134,758.10, 201,967.05 and 68,216.60
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Solution
The fourth proportional to 134,758.10, 201,967.05 and 68,216.60 is: 102,238.79
Step by Step Solution
- Step 1: Write the proportion equation
134,758.10 : 201,967.05 = 68,216.60 : x - Step 2: Convert to fraction form
134,758.10/201,967.05 = 68,216.60/x - Step 3: Cross multiply
134,758.10x = 201,967.05 × 68,216.60 - Step 4: Simplify right side
134,758.10x = 13,777,505,463.03 - Step 5: Solve for x
x = 13,777,505,463.03/134,758.10 - Step 6: Final answer
x = 102,238.79
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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.