Finding the Fourth Proportional to 126,701.58, 190,095.84 and 47,838.36
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Solution
The fourth proportional to 126,701.58, 190,095.84 and 47,838.36 is: 71,773.95
Step by Step Solution
- Step 1: Write the proportion equation
126,701.58 : 190,095.84 = 47,838.36 : x - Step 2: Convert to fraction form
126,701.58/190,095.84 = 47,838.36/x - Step 3: Cross multiply
126,701.58x = 190,095.84 × 47,838.36 - Step 4: Simplify right side
126,701.58x = 9,093,873,228.42 - Step 5: Solve for x
x = 9,093,873,228.42/126,701.58 - Step 6: Final answer
x = 71,773.95
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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.