Finding the Fourth Proportional to 124,186.78, 185,378.56 and 114,935.26
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Solution
The fourth proportional to 124,186.78, 185,378.56 and 114,935.26 is: 171,568.45
Step by Step Solution
- Step 1: Write the proportion equation
124,186.78 : 185,378.56 = 114,935.26 : x - Step 2: Convert to fraction form
124,186.78/185,378.56 = 114,935.26/x - Step 3: Cross multiply
124,186.78x = 185,378.56 × 114,935.26 - Step 4: Simplify right side
124,186.78x = 21,306,532,992.03 - Step 5: Solve for x
x = 21,306,532,992.03/124,186.78 - Step 6: Final answer
x = 171,568.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.