Finding the Fourth Proportional to 133,938.60, 201,138.30 and 94,770.60
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Solution
The fourth proportional to 133,938.60, 201,138.30 and 94,770.60 is: 142,318.92
Step by Step Solution
- Step 1: Write the proportion equation
133,938.60 : 201,138.30 = 94,770.60 : x - Step 2: Convert to fraction form
133,938.60/201,138.30 = 94,770.60/x - Step 3: Cross multiply
133,938.60x = 201,138.30 × 94,770.60 - Step 4: Simplify right side
133,938.60x = 19,061,997,373.98 - Step 5: Solve for x
x = 19,061,997,373.98/133,938.60 - Step 6: Final answer
x = 142,318.92
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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.