Finding the Fourth Proportional to 125,617.80, 188,426.70 and 117,841.80
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Solution
The fourth proportional to 125,617.80, 188,426.70 and 117,841.80 is: 176,762.70
Step by Step Solution
- Step 1: Write the proportion equation
125,617.80 : 188,426.70 = 117,841.80 : x - Step 2: Convert to fraction form
125,617.80/188,426.70 = 117,841.80/x - Step 3: Cross multiply
125,617.80x = 188,426.70 × 117,841.80 - Step 4: Simplify right side
125,617.80x = 22,204,541,496.06 - Step 5: Solve for x
x = 22,204,541,496.06/125,617.80 - Step 6: Final answer
x = 176,762.70
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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.