Finding the Fourth Proportional to 135,263.79, 186,678 and 77,905.08
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Solution
The fourth proportional to 135,263.79, 186,678 and 77,905.08 is: 107,517.06
Step by Step Solution
- Step 1: Write the proportion equation
135,263.79 : 186,678 = 77,905.08 : x - Step 2: Convert to fraction form
135,263.79/186,678 = 77,905.08/x - Step 3: Cross multiply
135,263.79x = 186,678 × 77,905.08 - Step 4: Simplify right side
135,263.79x = 14,543,164,524.24 - Step 5: Solve for x
x = 14,543,164,524.24/135,263.79 - Step 6: Final answer
x = 107,517.06
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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.