Finding the Fourth Proportional to 134,121.42, 201,188.21 and 54,164.70
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Solution
The fourth proportional to 134,121.42, 201,188.21 and 54,164.70 is: 81,249.50
Step by Step Solution
- Step 1: Write the proportion equation
134,121.42 : 201,188.21 = 54,164.70 : x - Step 2: Convert to fraction form
134,121.42/201,188.21 = 54,164.70/x - Step 3: Cross multiply
134,121.42x = 201,188.21 × 54,164.70 - Step 4: Simplify right side
134,121.42x = 10,897,298,767.36 - Step 5: Solve for x
x = 10,897,298,767.36/134,121.42 - Step 6: Final answer
x = 81,249.50
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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.