Finding the Fourth Proportional to 146,811.88, 202,594.98 and 79,742.44
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Solution
The fourth proportional to 146,811.88, 202,594.98 and 79,742.44 is: 110,041.63
Step by Step Solution
- Step 1: Write the proportion equation
146,811.88 : 202,594.98 = 79,742.44 : x - Step 2: Convert to fraction form
146,811.88/202,594.98 = 79,742.44/x - Step 3: Cross multiply
146,811.88x = 202,594.98 × 79,742.44 - Step 4: Simplify right side
146,811.88x = 16,155,418,036.95 - Step 5: Solve for x
x = 16,155,418,036.95/146,811.88 - Step 6: Final answer
x = 110,041.63
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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.