Finding the Fourth Proportional to 135,492.75, 186,980.00 and 75,876.75
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Solution
The fourth proportional to 135,492.75, 186,980.00 and 75,876.75 is: 104,709.92
Step by Step Solution
- Step 1: Write the proportion equation
135,492.75 : 186,980.00 = 75,876.75 : x - Step 2: Convert to fraction form
135,492.75/186,980.00 = 75,876.75/x - Step 3: Cross multiply
135,492.75x = 186,980.00 × 75,876.75 - Step 4: Simplify right side
135,492.75x = 14,187,434,335.62 - Step 5: Solve for x
x = 14,187,434,335.62/135,492.75 - Step 6: Final answer
x = 104,709.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.