Finding the Fourth Proportional to 141,202.08, 211,492.08 and 85,681.44
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Solution
The fourth proportional to 141,202.08, 211,492.08 and 85,681.44 is: 128,333.42
Step by Step Solution
- Step 1: Write the proportion equation
141,202.08 : 211,492.08 = 85,681.44 : x - Step 2: Convert to fraction form
141,202.08/211,492.08 = 85,681.44/x - Step 3: Cross multiply
141,202.08x = 211,492.08 × 85,681.44 - Step 4: Simplify right side
141,202.08x = 18,120,945,963.00 - Step 5: Solve for x
x = 18,120,945,963.00/141,202.08 - Step 6: Final answer
x = 128,333.42
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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.