Finding the Fourth Proportional to 124,896.03, 172,352.99 and 68,306.19
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Solution
The fourth proportional to 124,896.03, 172,352.99 and 68,306.19 is: 94,260.61
Step by Step Solution
- Step 1: Write the proportion equation
124,896.03 : 172,352.99 = 68,306.19 : x - Step 2: Convert to fraction form
124,896.03/172,352.99 = 68,306.19/x - Step 3: Cross multiply
124,896.03x = 172,352.99 × 68,306.19 - Step 4: Simplify right side
124,896.03x = 11,772,775,740.48 - Step 5: Solve for x
x = 11,772,775,740.48/124,896.03 - Step 6: Final answer
x = 94,260.61
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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.