Finding the Fourth Proportional to 125,928.14, 188,889.14 and 51,028.18
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Solution
The fourth proportional to 125,928.14, 188,889.14 and 51,028.18 is: 76,541.02
Step by Step Solution
- Step 1: Write the proportion equation
125,928.14 : 188,889.14 = 51,028.18 : x - Step 2: Convert to fraction form
125,928.14/188,889.14 = 51,028.18/x - Step 3: Cross multiply
125,928.14x = 188,889.14 × 51,028.18 - Step 4: Simplify right side
125,928.14x = 9,638,668,547.80 - Step 5: Solve for x
x = 9,638,668,547.80/125,928.14 - Step 6: Final answer
x = 76,541.02
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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.