Finding the Fourth Proportional to 115,834.14, 159,768.69 and 106,304.81
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Solution
The fourth proportional to 115,834.14, 159,768.69 and 106,304.81 is: 146,624.99
Step by Step Solution
- Step 1: Write the proportion equation
115,834.14 : 159,768.69 = 106,304.81 : x - Step 2: Convert to fraction form
115,834.14/159,768.69 = 106,304.81/x - Step 3: Cross multiply
115,834.14x = 159,768.69 × 106,304.81 - Step 4: Simplify right side
115,834.14x = 16,984,180,607.88 - Step 5: Solve for x
x = 16,984,180,607.88/115,834.14 - Step 6: Final answer
x = 146,624.99
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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.