Finding the Fourth Proportional to 104,445.67, 144,134.67 and 56,698.68
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Solution
The fourth proportional to 104,445.67, 144,134.67 and 56,698.68 is: 78,243.99
Step by Step Solution
- Step 1: Write the proportion equation
104,445.67 : 144,134.67 = 56,698.68 : x - Step 2: Convert to fraction form
104,445.67/144,134.67 = 56,698.68/x - Step 3: Cross multiply
104,445.67x = 144,134.67 × 56,698.68 - Step 4: Simplify right side
104,445.67x = 8,172,245,531.24 - Step 5: Solve for x
x = 8,172,245,531.24/104,445.67 - Step 6: Final answer
x = 78,243.99
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1.5x scale
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.