Finding the Fourth Proportional to 122,737.08, 183,917.04 and 72,717.66
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Solution
The fourth proportional to 122,737.08, 183,917.04 and 72,717.66 is: 108,964.76
Step by Step Solution
- Step 1: Write the proportion equation
122,737.08 : 183,917.04 = 72,717.66 : x - Step 2: Convert to fraction form
122,737.08/183,917.04 = 72,717.66/x - Step 3: Cross multiply
122,737.08x = 183,917.04 × 72,717.66 - Step 4: Simplify right side
122,737.08x = 13,374,016,782.93 - Step 5: Solve for x
x = 13,374,016,782.93/122,737.08 - Step 6: Final answer
x = 108,964.76
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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.