Finding the Fourth Proportional to 135,634.18, 187,194.54 and 75,218.26
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Solution
The fourth proportional to 135,634.18, 187,194.54 and 75,218.26 is: 103,811.94
Step by Step Solution
- Step 1: Write the proportion equation
135,634.18 : 187,194.54 = 75,218.26 : x - Step 2: Convert to fraction form
135,634.18/187,194.54 = 75,218.26/x - Step 3: Cross multiply
135,634.18x = 187,194.54 × 75,218.26 - Step 4: Simplify right side
135,634.18x = 14,080,447,580.30 - Step 5: Solve for x
x = 14,080,447,580.30/135,634.18 - Step 6: Final answer
x = 103,811.94
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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.