Finding the Fourth Proportional to 119,746.40, 165,261.08 and 68,765.80
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Solution
The fourth proportional to 119,746.40, 165,261.08 and 68,765.80 is: 94,903.15
Step by Step Solution
- Step 1: Write the proportion equation
119,746.40 : 165,261.08 = 68,765.80 : x - Step 2: Convert to fraction form
119,746.40/165,261.08 = 68,765.80/x - Step 3: Cross multiply
119,746.40x = 165,261.08 × 68,765.80 - Step 4: Simplify right side
119,746.40x = 11,364,310,375.06 - Step 5: Solve for x
x = 11,364,310,375.06/119,746.40 - Step 6: Final answer
x = 94,903.15
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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.