Finding the Fourth Proportional to 134,486.20, 201,729.30 and 92,495.80
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Solution
The fourth proportional to 134,486.20, 201,729.30 and 92,495.80 is: 138,743.70
Step by Step Solution
- Step 1: Write the proportion equation
134,486.20 : 201,729.30 = 92,495.80 : x - Step 2: Convert to fraction form
134,486.20/201,729.30 = 92,495.80/x - Step 3: Cross multiply
134,486.20x = 201,729.30 × 92,495.80 - Step 4: Simplify right side
134,486.20x = 18,659,112,986.94 - Step 5: Solve for x
x = 18,659,112,986.94/134,486.20 - Step 6: Final answer
x = 138,743.70
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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.