Finding the Fourth Proportional to 124,751.36, 172,156.62 and 68,163.14
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Solution
The fourth proportional to 124,751.36, 172,156.62 and 68,163.14 is: 94,064.99
Step by Step Solution
- Step 1: Write the proportion equation
124,751.36 : 172,156.62 = 68,163.14 : x - Step 2: Convert to fraction form
124,751.36/172,156.62 = 68,163.14/x - Step 3: Cross multiply
124,751.36x = 172,156.62 × 68,163.14 - Step 4: Simplify right side
124,751.36x = 11,734,735,790.99 - Step 5: Solve for x
x = 11,734,735,790.99/124,751.36 - Step 6: Final answer
x = 94,064.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.