Finding the Fourth Proportional to 106,700.26, 147,238.95 and 58,953.19
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Solution
The fourth proportional to 106,700.26, 147,238.95 and 58,953.19 is: 81,351.31
Step by Step Solution
- Step 1: Write the proportion equation
106,700.26 : 147,238.95 = 58,953.19 : x - Step 2: Convert to fraction form
106,700.26/147,238.95 = 58,953.19/x - Step 3: Cross multiply
106,700.26x = 147,238.95 × 58,953.19 - Step 4: Simplify right side
106,700.26x = 8,680,205,794.75 - Step 5: Solve for x
x = 8,680,205,794.75/106,700.26 - Step 6: Final answer
x = 81,351.31
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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.