Finding the Fourth Proportional to 134,387.90, 201,706.41 and 67,874.74
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Solution
The fourth proportional to 134,387.90, 201,706.41 and 67,874.74 is: 101,875.02
Step by Step Solution
- Step 1: Write the proportion equation
134,387.90 : 201,706.41 = 67,874.74 : x - Step 2: Convert to fraction form
134,387.90/201,706.41 = 67,874.74/x - Step 3: Cross multiply
134,387.90x = 201,706.41 × 67,874.74 - Step 4: Simplify right side
134,387.90x = 13,690,770,135.08 - Step 5: Solve for x
x = 13,690,770,135.08/134,387.90 - Step 6: Final answer
x = 101,875.02
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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.