Finding the Fourth Proportional to 134,120.54, 201,073.88 and 86,784.14
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Solution
The fourth proportional to 134,120.54, 201,073.88 and 86,784.14 is: 130,107.02
Step by Step Solution
- Step 1: Write the proportion equation
134,120.54 : 201,073.88 = 86,784.14 : x - Step 2: Convert to fraction form
134,120.54/201,073.88 = 86,784.14/x - Step 3: Cross multiply
134,120.54x = 201,073.88 × 86,784.14 - Step 4: Simplify right side
134,120.54x = 17,450,023,752.26 - Step 5: Solve for x
x = 17,450,023,752.26/134,120.54 - Step 6: Final answer
x = 130,107.02
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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.