Finding the Fourth Proportional to 142,795.80, 214,193.70 and 59,689.80
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Solution
The fourth proportional to 142,795.80, 214,193.70 and 59,689.80 is: 89,534.70
Step by Step Solution
- Step 1: Write the proportion equation
142,795.80 : 214,193.70 = 59,689.80 : x - Step 2: Convert to fraction form
142,795.80/214,193.70 = 59,689.80/x - Step 3: Cross multiply
142,795.80x = 214,193.70 × 59,689.80 - Step 4: Simplify right side
142,795.80x = 12,785,179,114.26 - Step 5: Solve for x
x = 12,785,179,114.26/142,795.80 - Step 6: Final answer
x = 89,534.70
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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.