Finding the Fourth Proportional to 134,480.13, 185,590.26 and 74,063.67
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Solution
The fourth proportional to 134,480.13, 185,590.26 and 74,063.67 is: 102,212.09
Step by Step Solution
- Step 1: Write the proportion equation
134,480.13 : 185,590.26 = 74,063.67 : x - Step 2: Convert to fraction form
134,480.13/185,590.26 = 74,063.67/x - Step 3: Cross multiply
134,480.13x = 185,590.26 × 74,063.67 - Step 4: Simplify right side
134,480.13x = 13,745,495,771.85 - Step 5: Solve for x
x = 13,745,495,771.85/134,480.13 - Step 6: Final answer
x = 102,212.09
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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.