Finding the Fourth Proportional to 125,416.16, 173,012.64 and 91,371.68
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Solution
The fourth proportional to 125,416.16, 173,012.64 and 91,371.68 is: 126,048.00
Step by Step Solution
- Step 1: Write the proportion equation
125,416.16 : 173,012.64 = 91,371.68 : x - Step 2: Convert to fraction form
125,416.16/173,012.64 = 91,371.68/x - Step 3: Cross multiply
125,416.16x = 173,012.64 × 91,371.68 - Step 4: Simplify right side
125,416.16x = 15,808,455,578.04 - Step 5: Solve for x
x = 15,808,455,578.04/125,416.16 - Step 6: Final answer
x = 126,048.00
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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.