Finding the Fourth Proportional to 106,219.66, 146,581.95 and 58,471.96
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Solution
The fourth proportional to 106,219.66, 146,581.95 and 58,471.96 is: 80,690.65
Step by Step Solution
- Step 1: Write the proportion equation
106,219.66 : 146,581.95 = 58,471.96 : x - Step 2: Convert to fraction form
106,219.66/146,581.95 = 58,471.96/x - Step 3: Cross multiply
106,219.66x = 146,581.95 × 58,471.96 - Step 4: Simplify right side
106,219.66x = 8,570,933,917.12 - Step 5: Solve for x
x = 8,570,933,917.12/106,219.66 - Step 6: Final answer
x = 80,690.65
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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.