Finding the Fourth Proportional to 122,498.92, 184,467.87 and 106,890.12
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Solution
The fourth proportional to 122,498.92, 184,467.87 and 106,890.12 is: 160,962.99
Step by Step Solution
- Step 1: Write the proportion equation
122,498.92 : 184,467.87 = 106,890.12 : x - Step 2: Convert to fraction form
122,498.92/184,467.87 = 106,890.12/x - Step 3: Cross multiply
122,498.92x = 184,467.87 × 106,890.12 - Step 4: Simplify right side
122,498.92x = 19,717,792,760.44 - Step 5: Solve for x
x = 19,717,792,760.44/122,498.92 - Step 6: Final answer
x = 160,962.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.