Finding the Fourth Proportional to 125,220.90, 187,831.35 and 110,458.65
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Solution
The fourth proportional to 125,220.90, 187,831.35 and 110,458.65 is: 165,687.98
Step by Step Solution
- Step 1: Write the proportion equation
125,220.90 : 187,831.35 = 110,458.65 : x - Step 2: Convert to fraction form
125,220.90/187,831.35 = 110,458.65/x - Step 3: Cross multiply
125,220.90x = 187,831.35 × 110,458.65 - Step 4: Simplify right side
125,220.90x = 20,747,597,348.68 - Step 5: Solve for x
x = 20,747,597,348.68/125,220.90 - Step 6: Final answer
x = 165,687.98
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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.