Finding the Fourth Proportional to 135,949.65, 187,605.30 and 75,524.09
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Solution
The fourth proportional to 135,949.65, 187,605.30 and 75,524.09 is: 104,220.35
Step by Step Solution
- Step 1: Write the proportion equation
135,949.65 : 187,605.30 = 75,524.09 : x - Step 2: Convert to fraction form
135,949.65/187,605.30 = 75,524.09/x - Step 3: Cross multiply
135,949.65x = 187,605.30 × 75,524.09 - Step 4: Simplify right side
135,949.65x = 14,168,719,043.96 - Step 5: Solve for x
x = 14,168,719,043.96/135,949.65 - Step 6: Final answer
x = 104,220.35
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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.