Finding the Fourth Proportional to 130,643.96, 195,998.84 and 37,149.68
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Solution
The fourth proportional to 130,643.96, 195,998.84 and 37,149.68 is: 55,733.88
Step by Step Solution
- Step 1: Write the proportion equation
130,643.96 : 195,998.84 = 37,149.68 : x - Step 2: Convert to fraction form
130,643.96/195,998.84 = 37,149.68/x - Step 3: Cross multiply
130,643.96x = 195,998.84 × 37,149.68 - Step 4: Simplify right side
130,643.96x = 7,281,294,186.37 - Step 5: Solve for x
x = 7,281,294,186.37/130,643.96 - Step 6: Final answer
x = 55,733.88
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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.