Finding the Fourth Proportional to 125,753.14, 188,629.70 and 73,125.71
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Solution
The fourth proportional to 125,753.14, 188,629.70 and 73,125.71 is: 109,688.57
Step by Step Solution
- Step 1: Write the proportion equation
125,753.14 : 188,629.70 = 73,125.71 : x - Step 2: Convert to fraction form
125,753.14/188,629.70 = 73,125.71/x - Step 3: Cross multiply
125,753.14x = 188,629.70 × 73,125.71 - Step 4: Simplify right side
125,753.14x = 13,793,681,393.98 - Step 5: Solve for x
x = 13,793,681,393.98/125,753.14 - Step 6: Final answer
x = 109,688.57
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1.5x scale
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.