Finding the Fourth Proportional to 136,420.90, 204,631.35 and 124,611.10
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Solution
The fourth proportional to 136,420.90, 204,631.35 and 124,611.10 is: 186,916.65
Step by Step Solution
- Step 1: Write the proportion equation
136,420.90 : 204,631.35 = 124,611.10 : x - Step 2: Convert to fraction form
136,420.90/204,631.35 = 124,611.10/x - Step 3: Cross multiply
136,420.90x = 204,631.35 × 124,611.10 - Step 4: Simplify right side
136,420.90x = 25,499,337,617.99 - Step 5: Solve for x
x = 25,499,337,617.99/136,420.90 - Step 6: Final answer
x = 186,916.65
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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.