Finding the Fourth Proportional to 124,775.57, 187,107.78 and 36,007.99
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Solution
The fourth proportional to 124,775.57, 187,107.78 and 36,007.99 is: 53,995.95
Step by Step Solution
- Step 1: Write the proportion equation
124,775.57 : 187,107.78 = 36,007.99 : x - Step 2: Convert to fraction form
124,775.57/187,107.78 = 36,007.99/x - Step 3: Cross multiply
124,775.57x = 187,107.78 × 36,007.99 - Step 4: Simplify right side
124,775.57x = 6,737,375,071.16 - Step 5: Solve for x
x = 6,737,375,071.16/124,775.57 - Step 6: Final answer
x = 53,995.95
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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.