Finding the Fourth Proportional to 135,968.72, 203,883.05 and 61,024.62
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Solution
The fourth proportional to 135,968.72, 203,883.05 and 61,024.62 is: 91,505.50
Step by Step Solution
- Step 1: Write the proportion equation
135,968.72 : 203,883.05 = 61,024.62 : x - Step 2: Convert to fraction form
135,968.72/203,883.05 = 61,024.62/x - Step 3: Cross multiply
135,968.72x = 203,883.05 × 61,024.62 - Step 4: Simplify right side
135,968.72x = 12,441,885,803.25 - Step 5: Solve for x
x = 12,441,885,803.25/135,968.72 - Step 6: Final answer
x = 91,505.50
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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.