Finding the Fourth Proportional to 134,659.06, 201,941.35 and 73,857.12
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Solution
The fourth proportional to 134,659.06, 201,941.35 and 73,857.12 is: 110,759.77
Step by Step Solution
- Step 1: Write the proportion equation
134,659.06 : 201,941.35 = 73,857.12 : x - Step 2: Convert to fraction form
134,659.06/201,941.35 = 73,857.12/x - Step 3: Cross multiply
134,659.06x = 201,941.35 × 73,857.12 - Step 4: Simplify right side
134,659.06x = 14,914,805,993.44 - Step 5: Solve for x
x = 14,914,805,993.44/134,659.06 - Step 6: Final answer
x = 110,759.77
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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.