Finding the Fourth Proportional to 134,817.90, 202,129.65 and 75,671.70
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Solution
The fourth proportional to 134,817.90, 202,129.65 and 75,671.70 is: 113,452.99
Step by Step Solution
- Step 1: Write the proportion equation
134,817.90 : 202,129.65 = 75,671.70 : x - Step 2: Convert to fraction form
134,817.90/202,129.65 = 75,671.70/x - Step 3: Cross multiply
134,817.90x = 202,129.65 × 75,671.70 - Step 4: Simplify right side
134,817.90x = 15,295,494,235.91 - Step 5: Solve for x
x = 15,295,494,235.91/134,817.90 - Step 6: Final answer
x = 113,452.99
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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.