Finding the Fourth Proportional to 106,445.13, 159,486.95 and 64,236.52
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Solution
The fourth proportional to 106,445.13, 159,486.95 and 64,236.52 is: 96,245.70
Step by Step Solution
- Step 1: Write the proportion equation
106,445.13 : 159,486.95 = 64,236.52 : x - Step 2: Convert to fraction form
106,445.13/159,486.95 = 64,236.52/x - Step 3: Cross multiply
106,445.13x = 159,486.95 × 64,236.52 - Step 4: Simplify right side
106,445.13x = 10,244,886,332.23 - Step 5: Solve for x
x = 10,244,886,332.23/106,445.13 - Step 6: Final answer
x = 96,245.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.