Finding the Fourth Proportional to 134,503.80, 201,755.70 and 68,967.80
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Solution
The fourth proportional to 134,503.80, 201,755.70 and 68,967.80 is: 103,451.70
Step by Step Solution
- Step 1: Write the proportion equation
134,503.80 : 201,755.70 = 68,967.80 : x - Step 2: Convert to fraction form
134,503.80/201,755.70 = 68,967.80/x - Step 3: Cross multiply
134,503.80x = 201,755.70 × 68,967.80 - Step 4: Simplify right side
134,503.80x = 13,914,646,766.46 - Step 5: Solve for x
x = 13,914,646,766.46/134,503.80 - Step 6: Final answer
x = 103,451.70
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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.