Finding the Fourth Proportional to 106,756.36, 147,326.87 and 58,360.94
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Solution
The fourth proportional to 106,756.36, 147,326.87 and 58,360.94 is: 80,539.79
Step by Step Solution
- Step 1: Write the proportion equation
106,756.36 : 147,326.87 = 58,360.94 : x - Step 2: Convert to fraction form
106,756.36/147,326.87 = 58,360.94/x - Step 3: Cross multiply
106,756.36x = 147,326.87 × 58,360.94 - Step 4: Simplify right side
106,756.36x = 8,598,134,620.46 - Step 5: Solve for x
x = 8,598,134,620.46/106,756.36 - Step 6: Final answer
x = 80,539.79
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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.