Finding the Fourth Proportional to 122,869.26, 184,067.55 and 75,345.63
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Solution
The fourth proportional to 122,869.26, 184,067.55 and 75,345.63 is: 112,873.52
Step by Step Solution
- Step 1: Write the proportion equation
122,869.26 : 184,067.55 = 75,345.63 : x - Step 2: Convert to fraction form
122,869.26/184,067.55 = 75,345.63/x - Step 3: Cross multiply
122,869.26x = 184,067.55 × 75,345.63 - Step 4: Simplify right side
122,869.26x = 13,868,685,517.31 - Step 5: Solve for x
x = 13,868,685,517.31/122,869.26 - Step 6: Final answer
x = 112,873.52
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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.