Finding the Fourth Proportional to 119,818.80, 165,348.38 and 66,106.08
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Solution
The fourth proportional to 119,818.80, 165,348.38 and 66,106.08 is: 91,225.53
Step by Step Solution
- Step 1: Write the proportion equation
119,818.80 : 165,348.38 = 66,106.08 : x - Step 2: Convert to fraction form
119,818.80/165,348.38 = 66,106.08/x - Step 3: Cross multiply
119,818.80x = 165,348.38 × 66,106.08 - Step 4: Simplify right side
119,818.80x = 10,930,533,236.15 - Step 5: Solve for x
x = 10,930,533,236.15/119,818.80 - Step 6: Final answer
x = 91,225.53
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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.