Finding the Fourth Proportional to 141,946.16, 212,775.66 and 92,057.99
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Solution
The fourth proportional to 141,946.16, 212,775.66 and 92,057.99 is: 137,993.86
Step by Step Solution
- Step 1: Write the proportion equation
141,946.16 : 212,775.66 = 92,057.99 : x - Step 2: Convert to fraction form
141,946.16/212,775.66 = 92,057.99/x - Step 3: Cross multiply
141,946.16x = 212,775.66 × 92,057.99 - Step 4: Simplify right side
141,946.16x = 19,587,698,516.65 - Step 5: Solve for x
x = 19,587,698,516.65/141,946.16 - Step 6: Final answer
x = 137,993.86
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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.