Finding the Fourth Proportional to 131,739.06, 197,611.53 and 47,506.02
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Solution
The fourth proportional to 131,739.06, 197,611.53 and 47,506.02 is: 71,260.09
Step by Step Solution
- Step 1: Write the proportion equation
131,739.06 : 197,611.53 = 47,506.02 : x - Step 2: Convert to fraction form
131,739.06/197,611.53 = 47,506.02/x - Step 3: Cross multiply
131,739.06x = 197,611.53 × 47,506.02 - Step 4: Simplify right side
131,739.06x = 9,387,737,296.41 - Step 5: Solve for x
x = 9,387,737,296.41/131,739.06 - Step 6: Final answer
x = 71,260.09
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1.5x scale
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.