Finding the Fourth Proportional to 106,096.19, 159,045.39 and 72,831.92
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Solution
The fourth proportional to 106,096.19, 159,045.39 and 72,831.92 is: 109,179.99
Step by Step Solution
- Step 1: Write the proportion equation
106,096.19 : 159,045.39 = 72,831.92 : x - Step 2: Convert to fraction form
106,096.19/159,045.39 = 72,831.92/x - Step 3: Cross multiply
106,096.19x = 159,045.39 × 72,831.92 - Step 4: Simplify right side
106,096.19x = 11,583,580,325.62 - Step 5: Solve for x
x = 11,583,580,325.62/106,096.19 - Step 6: Final answer
x = 109,179.99
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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.