Finding the Fourth Proportional to 135,985.41, 187,651.17 and 75,554.94
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Solution
The fourth proportional to 135,985.41, 187,651.17 and 75,554.94 is: 104,260.99
Step by Step Solution
- Step 1: Write the proportion equation
135,985.41 : 187,651.17 = 75,554.94 : x - Step 2: Convert to fraction form
135,985.41/187,651.17 = 75,554.94/x - Step 3: Cross multiply
135,985.41x = 187,651.17 × 75,554.94 - Step 4: Simplify right side
135,985.41x = 14,177,972,890.28 - Step 5: Solve for x
x = 14,177,972,890.28/135,985.41 - Step 6: Final answer
x = 104,260.99
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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.