Finding the Fourth Proportional to 134,959.50, 186,251.49 and 74,529.99
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Solution
The fourth proportional to 134,959.50, 186,251.49 and 74,529.99 is: 102,855.46
Step by Step Solution
- Step 1: Write the proportion equation
134,959.50 : 186,251.49 = 74,529.99 : x - Step 2: Convert to fraction form
134,959.50/186,251.49 = 74,529.99/x - Step 3: Cross multiply
134,959.50x = 186,251.49 × 74,529.99 - Step 4: Simplify right side
134,959.50x = 13,881,321,687.19 - Step 5: Solve for x
x = 13,881,321,687.19/134,959.50 - Step 6: Final answer
x = 102,855.46
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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.