Finding the Fourth Proportional to 124,893.93, 172,354.99 and 68,304.09
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Solution
The fourth proportional to 124,893.93, 172,354.99 and 68,304.09 is: 94,260.39
Step by Step Solution
- Step 1: Write the proportion equation
124,893.93 : 172,354.99 = 68,304.09 : x - Step 2: Convert to fraction form
124,893.93/172,354.99 = 68,304.09/x - Step 3: Cross multiply
124,893.93x = 172,354.99 × 68,304.09 - Step 4: Simplify right side
124,893.93x = 11,772,551,352.55 - Step 5: Solve for x
x = 11,772,551,352.55/124,893.93 - Step 6: Final answer
x = 94,260.39
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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.