Finding the Fourth Proportional to 130,120.37, 195,047.60 and 73,841.63
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Solution
The fourth proportional to 130,120.37, 195,047.60 and 73,841.63 is: 110,686.99
Step by Step Solution
- Step 1: Write the proportion equation
130,120.37 : 195,047.60 = 73,841.63 : x - Step 2: Convert to fraction form
130,120.37/195,047.60 = 73,841.63/x - Step 3: Cross multiply
130,120.37x = 195,047.60 × 73,841.63 - Step 4: Simplify right side
130,120.37x = 14,402,631,367.14 - Step 5: Solve for x
x = 14,402,631,367.14/130,120.37 - Step 6: Final answer
x = 110,686.99
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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.