Finding the Fourth Proportional to 135,366.87, 186,808.49 and 74,112.04
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Solution
The fourth proportional to 135,366.87, 186,808.49 and 74,112.04 is: 102,275.82
Step by Step Solution
- Step 1: Write the proportion equation
135,366.87 : 186,808.49 = 74,112.04 : x - Step 2: Convert to fraction form
135,366.87/186,808.49 = 74,112.04/x - Step 3: Cross multiply
135,366.87x = 186,808.49 × 74,112.04 - Step 4: Simplify right side
135,366.87x = 13,844,758,283.22 - Step 5: Solve for x
x = 13,844,758,283.22/135,366.87 - Step 6: Final answer
x = 102,275.82
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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.