Finding the Fourth Proportional to 113,380.13, 169,810.99 and 54,257.33
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Solution
The fourth proportional to 113,380.13, 169,810.99 and 54,257.33 is: 81,261.95
Step by Step Solution
- Step 1: Write the proportion equation
113,380.13 : 169,810.99 = 54,257.33 : x - Step 2: Convert to fraction form
113,380.13/169,810.99 = 54,257.33/x - Step 3: Cross multiply
113,380.13x = 169,810.99 × 54,257.33 - Step 4: Simplify right side
113,380.13x = 9,213,490,922.06 - Step 5: Solve for x
x = 9,213,490,922.06/113,380.13 - Step 6: Final answer
x = 81,261.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.