Finding the Fourth Proportional to 106,332.44, 146,738.27 and 57,934.19
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Solution
The fourth proportional to 106,332.44, 146,738.27 and 57,934.19 is: 79,948.92
Step by Step Solution
- Step 1: Write the proportion equation
106,332.44 : 146,738.27 = 57,934.19 : x - Step 2: Convert to fraction form
106,332.44/146,738.27 = 57,934.19/x - Step 3: Cross multiply
106,332.44x = 146,738.27 × 57,934.19 - Step 4: Simplify right side
106,332.44x = 8,501,163,326.13 - Step 5: Solve for x
x = 8,501,163,326.13/106,332.44 - Step 6: Final answer
x = 79,948.92
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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.