Finding the Fourth Proportional to 106,139.00, 146,410.99 and 66,325.88
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Solution
The fourth proportional to 106,139.00, 146,410.99 and 66,325.88 is: 91,491.70
Step by Step Solution
- Step 1: Write the proportion equation
106,139.00 : 146,410.99 = 66,325.88 : x - Step 2: Convert to fraction form
106,139.00/146,410.99 = 66,325.88/x - Step 3: Cross multiply
106,139.00x = 146,410.99 × 66,325.88 - Step 4: Simplify right side
106,139.00x = 9,710,836,855.55 - Step 5: Solve for x
x = 9,710,836,855.55/106,139.00 - Step 6: Final answer
x = 91,491.70
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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.