Finding the Fourth Proportional to 113,839.23, 157,107.54 and 62,857.02
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Solution
The fourth proportional to 113,839.23, 157,107.54 and 62,857.02 is: 86,747.88
Step by Step Solution
- Step 1: Write the proportion equation
113,839.23 : 157,107.54 = 62,857.02 : x - Step 2: Convert to fraction form
113,839.23/157,107.54 = 62,857.02/x - Step 3: Cross multiply
113,839.23x = 157,107.54 × 62,857.02 - Step 4: Simplify right side
113,839.23x = 9,875,311,783.93 - Step 5: Solve for x
x = 9,875,311,783.93/113,839.23 - Step 6: Final answer
x = 86,747.88
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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.