Finding the Fourth Proportional to 135,905.24, 187,553.96 and 75,476.88
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Solution
The fourth proportional to 135,905.24, 187,553.96 and 75,476.88 is: 104,160.72
Step by Step Solution
- Step 1: Write the proportion equation
135,905.24 : 187,553.96 = 75,476.88 : x - Step 2: Convert to fraction form
135,905.24/187,553.96 = 75,476.88/x - Step 3: Cross multiply
135,905.24x = 187,553.96 × 75,476.88 - Step 4: Simplify right side
135,905.24x = 14,155,987,732.44 - Step 5: Solve for x
x = 14,155,987,732.44/135,905.24 - Step 6: Final answer
x = 104,160.72
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1.5x scale
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.