Finding the Fourth Proportional to 125,165.34, 187,759.55 and 40,925.94
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Solution
The fourth proportional to 125,165.34, 187,759.55 and 40,925.94 is: 61,392.68
Step by Step Solution
- Step 1: Write the proportion equation
125,165.34 : 187,759.55 = 40,925.94 : x - Step 2: Convert to fraction form
125,165.34/187,759.55 = 40,925.94/x - Step 3: Cross multiply
125,165.34x = 187,759.55 × 40,925.94 - Step 4: Simplify right side
125,165.34x = 7,684,235,241.24 - Step 5: Solve for x
x = 7,684,235,241.24/125,165.34 - Step 6: Final answer
x = 61,392.68
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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.