Finding the Fourth Proportional to 113,365.80, 170,048.70 and 95,869.80
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Solution
The fourth proportional to 113,365.80, 170,048.70 and 95,869.80 is: 143,804.70
Step by Step Solution
- Step 1: Write the proportion equation
113,365.80 : 170,048.70 = 95,869.80 : x - Step 2: Convert to fraction form
113,365.80/170,048.70 = 95,869.80/x - Step 3: Cross multiply
113,365.80x = 170,048.70 × 95,869.80 - Step 4: Simplify right side
113,365.80x = 16,302,534,859.26 - Step 5: Solve for x
x = 16,302,534,859.26/113,365.80 - Step 6: Final answer
x = 143,804.70
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1.5x scale
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.