Finding the Fourth Proportional to 134,436.36, 201,682.20 and 112,403.68
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Solution
The fourth proportional to 134,436.36, 201,682.20 and 112,403.68 is: 168,628.65
Step by Step Solution
- Step 1: Write the proportion equation
134,436.36 : 201,682.20 = 112,403.68 : x - Step 2: Convert to fraction form
134,436.36/201,682.20 = 112,403.68/x - Step 3: Cross multiply
134,436.36x = 201,682.20 × 112,403.68 - Step 4: Simplify right side
134,436.36x = 22,669,821,470.50 - Step 5: Solve for x
x = 22,669,821,470.50/134,436.36 - Step 6: Final answer
x = 168,628.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.