Finding the Fourth Proportional to 124,151.09, 186,146.50 and 53,120.08
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Solution
The fourth proportional to 124,151.09, 186,146.50 and 53,120.08 is: 79,645.83
Step by Step Solution
- Step 1: Write the proportion equation
124,151.09 : 186,146.50 = 53,120.08 : x - Step 2: Convert to fraction form
124,151.09/186,146.50 = 53,120.08/x - Step 3: Cross multiply
124,151.09x = 186,146.50 × 53,120.08 - Step 4: Simplify right side
124,151.09x = 9,888,116,971.72 - Step 5: Solve for x
x = 9,888,116,971.72/124,151.09 - Step 6: Final answer
x = 79,645.83
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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.