Finding the Fourth Proportional to 140,191.25, 210,396.74 and 97,795.57
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Solution
The fourth proportional to 140,191.25, 210,396.74 and 97,795.57 is: 146,769.99
Step by Step Solution
- Step 1: Write the proportion equation
140,191.25 : 210,396.74 = 97,795.57 : x - Step 2: Convert to fraction form
140,191.25/210,396.74 = 97,795.57/x - Step 3: Cross multiply
140,191.25x = 210,396.74 × 97,795.57 - Step 4: Simplify right side
140,191.25x = 20,575,868,493.97 - Step 5: Solve for x
x = 20,575,868,493.97/140,191.25 - Step 6: Final answer
x = 146,769.99
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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.