Finding the Fourth Proportional to 135,971.73, 203,887.55 and 61,027.62
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Solution
The fourth proportional to 135,971.73, 203,887.55 and 61,027.62 is: 91,509.99
Step by Step Solution
- Step 1: Write the proportion equation
135,971.73 : 203,887.55 = 61,027.62 : x - Step 2: Convert to fraction form
135,971.73/203,887.55 = 61,027.62/x - Step 3: Cross multiply
135,971.73x = 203,887.55 × 61,027.62 - Step 4: Simplify right side
135,971.73x = 12,442,771,618.99 - Step 5: Solve for x
x = 12,442,771,618.99/135,971.73 - Step 6: Final answer
x = 91,509.99
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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.