Finding the Fourth Proportional to 149,053.51, 205,625.99 and 88,589.80
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Solution
The fourth proportional to 149,053.51, 205,625.99 and 88,589.80 is: 122,213.59
Step by Step Solution
- Step 1: Write the proportion equation
149,053.51 : 205,625.99 = 88,589.80 : x - Step 2: Convert to fraction form
149,053.51/205,625.99 = 88,589.80/x - Step 3: Cross multiply
149,053.51x = 205,625.99 × 88,589.80 - Step 4: Simplify right side
149,053.51x = 18,216,364,300.77 - Step 5: Solve for x
x = 18,216,364,300.77/149,053.51 - Step 6: Final answer
x = 122,213.59
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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.