Finding the Fourth Proportional to 134,351.74, 201,361.56 and 67,810.96
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Solution
The fourth proportional to 134,351.74, 201,361.56 and 67,810.96 is: 101,632.63
Step by Step Solution
- Step 1: Write the proportion equation
134,351.74 : 201,361.56 = 67,810.96 : x - Step 2: Convert to fraction form
134,351.74/201,361.56 = 67,810.96/x - Step 3: Cross multiply
134,351.74x = 201,361.56 × 67,810.96 - Step 4: Simplify right side
134,351.74x = 13,654,520,690.70 - Step 5: Solve for x
x = 13,654,520,690.70/134,351.74 - Step 6: Final answer
x = 101,632.63
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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.