Finding the Fourth Proportional to 115,119.60, 172,702.74 and 48,559.94
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Solution
The fourth proportional to 115,119.60, 172,702.74 and 48,559.94 is: 72,849.76
Step by Step Solution
- Step 1: Write the proportion equation
115,119.60 : 172,702.74 = 48,559.94 : x - Step 2: Convert to fraction form
115,119.60/172,702.74 = 48,559.94/x - Step 3: Cross multiply
115,119.60x = 172,702.74 × 48,559.94 - Step 4: Simplify right side
115,119.60x = 8,386,434,692.24 - Step 5: Solve for x
x = 8,386,434,692.24/115,119.60 - Step 6: Final answer
x = 72,849.76
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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.