Finding the Fourth Proportional to 125,931.30, 188,896.95 and 124,619.10
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Solution
The fourth proportional to 125,931.30, 188,896.95 and 124,619.10 is: 186,928.65
Step by Step Solution
- Step 1: Write the proportion equation
125,931.30 : 188,896.95 = 124,619.10 : x - Step 2: Convert to fraction form
125,931.30/188,896.95 = 124,619.10/x - Step 3: Cross multiply
125,931.30x = 188,896.95 × 124,619.10 - Step 4: Simplify right side
125,931.30x = 23,540,167,901.75 - Step 5: Solve for x
x = 23,540,167,901.75/125,931.30 - Step 6: Final answer
x = 186,928.65
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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.