Finding the Fourth Proportional to 106,564.68, 147,057.84 and 58,816.98
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Solution
The fourth proportional to 106,564.68, 147,057.84 and 58,816.98 is: 81,166.65
Step by Step Solution
- Step 1: Write the proportion equation
106,564.68 : 147,057.84 = 58,816.98 : x - Step 2: Convert to fraction form
106,564.68/147,057.84 = 58,816.98/x - Step 3: Cross multiply
106,564.68x = 147,057.84 × 58,816.98 - Step 4: Simplify right side
106,564.68x = 8,649,498,034.12 - Step 5: Solve for x
x = 8,649,498,034.12/106,564.68 - Step 6: Final answer
x = 81,166.65
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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.