Finding the Fourth Proportional to 125,580.67, 173,303.21 and 68,221.12
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Solution
The fourth proportional to 125,580.67, 173,303.21 and 68,221.12 is: 94,146.17
Step by Step Solution
- Step 1: Write the proportion equation
125,580.67 : 173,303.21 = 68,221.12 : x - Step 2: Convert to fraction form
125,580.67/173,303.21 = 68,221.12/x - Step 3: Cross multiply
125,580.67x = 173,303.21 × 68,221.12 - Step 4: Simplify right side
125,580.67x = 11,822,939,085.80 - Step 5: Solve for x
x = 11,822,939,085.80/125,580.67 - Step 6: Final answer
x = 94,146.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.