Finding the Fourth Proportional to 135,896.84, 187,545.97 and 75,467.90
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Solution
The fourth proportional to 135,896.84, 187,545.97 and 75,467.90 is: 104,150.32
Step by Step Solution
- Step 1: Write the proportion equation
135,896.84 : 187,545.97 = 75,467.90 : x - Step 2: Convert to fraction form
135,896.84/187,545.97 = 75,467.90/x - Step 3: Cross multiply
135,896.84x = 187,545.97 × 75,467.90 - Step 4: Simplify right side
135,896.84x = 14,153,699,194.29 - Step 5: Solve for x
x = 14,153,699,194.29/135,896.84 - Step 6: Final answer
x = 104,150.32
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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.