Finding the Fourth Proportional to 134,684.63, 185,856.22 and 74,251.97
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Solution
The fourth proportional to 134,684.63, 185,856.22 and 74,251.97 is: 102,462.99
Step by Step Solution
- Step 1: Write the proportion equation
134,684.63 : 185,856.22 = 74,251.97 : x - Step 2: Convert to fraction form
134,684.63/185,856.22 = 74,251.97/x - Step 3: Cross multiply
134,684.63x = 185,856.22 × 74,251.97 - Step 4: Simplify right side
134,684.63x = 13,800,190,471.75 - Step 5: Solve for x
x = 13,800,190,471.75/134,684.63 - Step 6: Final answer
x = 102,462.99
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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.