Finding the Fourth Proportional to 134,536.68, 201,700.30 and 87,051.44
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Solution
The fourth proportional to 134,536.68, 201,700.30 and 87,051.44 is: 130,509.40
Step by Step Solution
- Step 1: Write the proportion equation
134,536.68 : 201,700.30 = 87,051.44 : x - Step 2: Convert to fraction form
134,536.68/201,700.30 = 87,051.44/x - Step 3: Cross multiply
134,536.68x = 201,700.30 × 87,051.44 - Step 4: Simplify right side
134,536.68x = 17,558,301,563.43 - Step 5: Solve for x
x = 17,558,301,563.43/134,536.68 - Step 6: Final answer
x = 130,509.40
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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.