Finding the Fourth Proportional to 168,034.02, 231,876.11 and 100,055.99
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Solution
The fourth proportional to 168,034.02, 231,876.11 and 100,055.99 is: 138,070.80
Step by Step Solution
- Step 1: Write the proportion equation
168,034.02 : 231,876.11 = 100,055.99 : x - Step 2: Convert to fraction form
168,034.02/231,876.11 = 100,055.99/x - Step 3: Cross multiply
168,034.02x = 231,876.11 × 100,055.99 - Step 4: Simplify right side
168,034.02x = 23,200,592,083.74 - Step 5: Solve for x
x = 23,200,592,083.74/168,034.02 - Step 6: Final answer
x = 138,070.80
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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.