Finding the Fourth Proportional to 134,974.87, 186,266.82 and 74,544.11
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Solution
The fourth proportional to 134,974.87, 186,266.82 and 74,544.11 is: 102,871.70
Step by Step Solution
- Step 1: Write the proportion equation
134,974.87 : 186,266.82 = 74,544.11 : x - Step 2: Convert to fraction form
134,974.87/186,266.82 = 74,544.11/x - Step 3: Cross multiply
134,974.87x = 186,266.82 × 74,544.11 - Step 4: Simplify right side
134,974.87x = 13,885,094,366.14 - Step 5: Solve for x
x = 13,885,094,366.14/134,974.87 - Step 6: Final answer
x = 102,871.70
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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.