Finding the Fourth Proportional to 106,364.70, 146,782.56 and 58,618.08
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Solution
The fourth proportional to 106,364.70, 146,782.56 and 58,618.08 is: 80,892.55
Step by Step Solution
- Step 1: Write the proportion equation
106,364.70 : 146,782.56 = 58,618.08 : x - Step 2: Convert to fraction form
106,364.70/146,782.56 = 58,618.08/x - Step 3: Cross multiply
106,364.70x = 146,782.56 × 58,618.08 - Step 4: Simplify right side
106,364.70x = 8,604,111,844.68 - Step 5: Solve for x
x = 8,604,111,844.68/106,364.70 - Step 6: Final answer
x = 80,892.55
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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.