Finding the Fourth Proportional to 147,087.54, 220,749.53 and 76,030.99
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Solution
The fourth proportional to 147,087.54, 220,749.53 and 76,030.99 is: 114,107.59
Step by Step Solution
- Step 1: Write the proportion equation
147,087.54 : 220,749.53 = 76,030.99 : x - Step 2: Convert to fraction form
147,087.54/220,749.53 = 76,030.99/x - Step 3: Cross multiply
147,087.54x = 220,749.53 × 76,030.99 - Step 4: Simplify right side
147,087.54x = 16,783,804,375.91 - Step 5: Solve for x
x = 16,783,804,375.91/147,087.54 - Step 6: Final answer
x = 114,107.59
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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.