Finding the Fourth Proportional to 135,588.15, 187,091.97 and 75,158.75
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Solution
The fourth proportional to 135,588.15, 187,091.97 and 75,158.75 is: 103,708.17
Step by Step Solution
- Step 1: Write the proportion equation
135,588.15 : 187,091.97 = 75,158.75 : x - Step 2: Convert to fraction form
135,588.15/187,091.97 = 75,158.75/x - Step 3: Cross multiply
135,588.15x = 187,091.97 × 75,158.75 - Step 4: Simplify right side
135,588.15x = 14,061,598,600.24 - Step 5: Solve for x
x = 14,061,598,600.24/135,588.15 - Step 6: Final answer
x = 103,708.17
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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.