Finding the Fourth Proportional to 133,951.60, 201,157.80 and 94,783.60
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Solution
The fourth proportional to 133,951.60, 201,157.80 and 94,783.60 is: 142,338.43
Step by Step Solution
- Step 1: Write the proportion equation
133,951.60 : 201,157.80 = 94,783.60 : x - Step 2: Convert to fraction form
133,951.60/201,157.80 = 94,783.60/x - Step 3: Cross multiply
133,951.60x = 201,157.80 × 94,783.60 - Step 4: Simplify right side
133,951.60x = 19,066,460,452.08 - Step 5: Solve for x
x = 19,066,460,452.08/133,951.60 - Step 6: Final answer
x = 142,338.43
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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.