Finding the Fourth Proportional to 134,361.72, 201,620.46 and 67,807.05
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Solution
The fourth proportional to 134,361.72, 201,620.46 and 67,807.05 is: 101,749.88
Step by Step Solution
- Step 1: Write the proportion equation
134,361.72 : 201,620.46 = 67,807.05 : x - Step 2: Convert to fraction form
134,361.72/201,620.46 = 67,807.05/x - Step 3: Cross multiply
134,361.72x = 201,620.46 × 67,807.05 - Step 4: Simplify right side
134,361.72x = 13,671,288,612.24 - Step 5: Solve for x
x = 13,671,288,612.24/134,361.72 - Step 6: Final answer
x = 101,749.88
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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.