Finding the Fourth Proportional to 125,969.70, 188,954.55 and 125,969.70
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Solution
The fourth proportional to 125,969.70, 188,954.55 and 125,969.70 is: 188,954.55
Step by Step Solution
- Step 1: Write the proportion equation
125,969.70 : 188,954.55 = 125,969.70 : x - Step 2: Convert to fraction form
125,969.70/188,954.55 = 125,969.70/x - Step 3: Cross multiply
125,969.70x = 188,954.55 × 125,969.70 - Step 4: Simplify right side
125,969.70x = 23,802,547,977.14 - Step 5: Solve for x
x = 23,802,547,977.14/125,969.70 - Step 6: Final answer
x = 188,954.55
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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.