Finding the Fourth Proportional to 140,495.99, 193,907.36 and 104,436.92
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Solution
The fourth proportional to 140,495.99, 193,907.36 and 104,436.92 is: 144,139.98
Step by Step Solution
- Step 1: Write the proportion equation
140,495.99 : 193,907.36 = 104,436.92 : x - Step 2: Convert to fraction form
140,495.99/193,907.36 = 104,436.92/x - Step 3: Cross multiply
140,495.99x = 193,907.36 × 104,436.92 - Step 4: Simplify right side
140,495.99x = 20,251,088,189.59 - Step 5: Solve for x
x = 20,251,088,189.59/140,495.99 - Step 6: Final answer
x = 144,139.98
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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.