Finding the Fourth Proportional to 120,692.99, 181,055.39 and 44,781.20
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Solution
The fourth proportional to 120,692.99, 181,055.39 and 44,781.20 is: 67,177.70
Step by Step Solution
- Step 1: Write the proportion equation
120,692.99 : 181,055.39 = 44,781.20 : x - Step 2: Convert to fraction form
120,692.99/181,055.39 = 44,781.20/x - Step 3: Cross multiply
120,692.99x = 181,055.39 × 44,781.20 - Step 4: Simplify right side
120,692.99x = 8,107,877,630.67 - Step 5: Solve for x
x = 8,107,877,630.67/120,692.99 - Step 6: Final answer
x = 67,177.70
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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.