Finding the Fourth Proportional to 101,158.61, 151,732.44 and 31,037.99
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Solution
The fourth proportional to 101,158.61, 151,732.44 and 31,037.99 is: 46,555.30
Step by Step Solution
- Step 1: Write the proportion equation
101,158.61 : 151,732.44 = 31,037.99 : x - Step 2: Convert to fraction form
101,158.61/151,732.44 = 31,037.99/x - Step 3: Cross multiply
101,158.61x = 151,732.44 × 31,037.99 - Step 4: Simplify right side
101,158.61x = 4,709,469,196.73 - Step 5: Solve for x
x = 4,709,469,196.73/101,158.61 - Step 6: Final answer
x = 46,555.30
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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.