Finding the Fourth Proportional to 124,078.51, 186,201.15 and 123,621.99
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Solution
The fourth proportional to 124,078.51, 186,201.15 and 123,621.99 is: 185,516.06
Step by Step Solution
- Step 1: Write the proportion equation
124,078.51 : 186,201.15 = 123,621.99 : x - Step 2: Convert to fraction form
124,078.51/186,201.15 = 123,621.99/x - Step 3: Cross multiply
124,078.51x = 186,201.15 × 123,621.99 - Step 4: Simplify right side
124,078.51x = 23,018,556,703.29 - Step 5: Solve for x
x = 23,018,556,703.29/124,078.51 - Step 6: Final answer
x = 185,516.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.