Finding the Fourth Proportional to 134,208.26, 185,209.74 and 73,781.44
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Solution
The fourth proportional to 134,208.26, 185,209.74 and 73,781.44 is: 101,819.67
Step by Step Solution
- Step 1: Write the proportion equation
134,208.26 : 185,209.74 = 73,781.44 : x - Step 2: Convert to fraction form
134,208.26/185,209.74 = 73,781.44/x - Step 3: Cross multiply
134,208.26x = 185,209.74 × 73,781.44 - Step 4: Simplify right side
134,208.26x = 13,665,041,319.23 - Step 5: Solve for x
x = 13,665,041,319.23/134,208.26 - Step 6: Final answer
x = 101,819.67
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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.