Finding the Fourth Proportional to 134,734.80, 201,972.60 and 104,732.40
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Solution
The fourth proportional to 134,734.80, 201,972.60 and 104,732.40 is: 156,997.86
Step by Step Solution
- Step 1: Write the proportion equation
134,734.80 : 201,972.60 = 104,732.40 : x - Step 2: Convert to fraction form
134,734.80/201,972.60 = 104,732.40/x - Step 3: Cross multiply
134,734.80x = 201,972.60 × 104,732.40 - Step 4: Simplify right side
134,734.80x = 21,153,075,132.24 - Step 5: Solve for x
x = 21,153,075,132.24/134,734.80 - Step 6: Final answer
x = 156,997.86
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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.