Finding the Fourth Proportional to 124,851.07, 172,294.74 and 68,266.09
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Solution
The fourth proportional to 124,851.07, 172,294.74 and 68,266.09 is: 94,207.35
Step by Step Solution
- Step 1: Write the proportion equation
124,851.07 : 172,294.74 = 68,266.09 : x - Step 2: Convert to fraction form
124,851.07/172,294.74 = 68,266.09/x - Step 3: Cross multiply
124,851.07x = 172,294.74 × 68,266.09 - Step 4: Simplify right side
124,851.07x = 11,761,888,227.37 - Step 5: Solve for x
x = 11,761,888,227.37/124,851.07 - Step 6: Final answer
x = 94,207.35
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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.