Finding the Fourth Proportional to 122,158.20, 183,237.30 and 92,633.70
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Solution
The fourth proportional to 122,158.20, 183,237.30 and 92,633.70 is: 138,950.55
Step by Step Solution
- Step 1: Write the proportion equation
122,158.20 : 183,237.30 = 92,633.70 : x - Step 2: Convert to fraction form
122,158.20/183,237.30 = 92,633.70/x - Step 3: Cross multiply
122,158.20x = 183,237.30 × 92,633.70 - Step 4: Simplify right side
122,158.20x = 16,973,949,077.01 - Step 5: Solve for x
x = 16,973,949,077.01/122,158.20 - Step 6: Final answer
x = 138,950.55
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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.