Finding the Fourth Proportional to 106,201.58, 146,537.94 and 67,931.81
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Solution
The fourth proportional to 106,201.58, 146,537.94 and 67,931.81 is: 93,732.95
Step by Step Solution
- Step 1: Write the proportion equation
106,201.58 : 146,537.94 = 67,931.81 : x - Step 2: Convert to fraction form
106,201.58/146,537.94 = 67,931.81/x - Step 3: Cross multiply
106,201.58x = 146,537.94 × 67,931.81 - Step 4: Simplify right side
106,201.58x = 9,954,586,765.18 - Step 5: Solve for x
x = 9,954,586,765.18/106,201.58 - Step 6: Final answer
x = 93,732.95
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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.