Finding the Fourth Proportional to 143,611.30, 214,906.65 and 125,094.70
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Solution
The fourth proportional to 143,611.30, 214,906.65 and 125,094.70 is: 187,197.55
Step by Step Solution
- Step 1: Write the proportion equation
143,611.30 : 214,906.65 = 125,094.70 : x - Step 2: Convert to fraction form
143,611.30/214,906.65 = 125,094.70/x - Step 3: Cross multiply
143,611.30x = 214,906.65 × 125,094.70 - Step 4: Simplify right side
143,611.30x = 26,883,682,909.76 - Step 5: Solve for x
x = 26,883,682,909.76/143,611.30 - Step 6: Final answer
x = 187,197.55
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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.