Finding the Fourth Proportional to 113,919.48, 157,208.26 and 62,935.72
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Solution
The fourth proportional to 113,919.48, 157,208.26 and 62,935.72 is: 86,850.95
Step by Step Solution
- Step 1: Write the proportion equation
113,919.48 : 157,208.26 = 62,935.72 : x - Step 2: Convert to fraction form
113,919.48/157,208.26 = 62,935.72/x - Step 3: Cross multiply
113,919.48x = 157,208.26 × 62,935.72 - Step 4: Simplify right side
113,919.48x = 9,894,015,033.05 - Step 5: Solve for x
x = 9,894,015,033.05/113,919.48 - Step 6: Final answer
x = 86,850.95
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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.