Finding the Fourth Proportional to 134,440.90, 201,661.35 and 113,445.70
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Solution
The fourth proportional to 134,440.90, 201,661.35 and 113,445.70 is: 170,168.55
Step by Step Solution
- Step 1: Write the proportion equation
134,440.90 : 201,661.35 = 113,445.70 : x - Step 2: Convert to fraction form
134,440.90/201,661.35 = 113,445.70/x - Step 3: Cross multiply
134,440.90x = 201,661.35 × 113,445.70 - Step 4: Simplify right side
134,440.90x = 22,877,613,013.70 - Step 5: Solve for x
x = 22,877,613,013.70/134,440.90 - Step 6: Final answer
x = 170,168.55
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1.5x scale
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.