Finding the Fourth Proportional to 135,577.36, 187,107.96 and 75,166.96
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Solution
The fourth proportional to 135,577.36, 187,107.96 and 75,166.96 is: 103,736.62
Step by Step Solution
- Step 1: Write the proportion equation
135,577.36 : 187,107.96 = 75,166.96 : x - Step 2: Convert to fraction form
135,577.36/187,107.96 = 75,166.96/x - Step 3: Cross multiply
135,577.36x = 187,107.96 × 75,166.96 - Step 4: Simplify right side
135,577.36x = 14,064,336,545.00 - Step 5: Solve for x
x = 14,064,336,545.00/135,577.36 - Step 6: Final answer
x = 103,736.62
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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.