Finding the Fourth Proportional to 106,307.92, 146,659.36 and 68,058.08
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Solution
The fourth proportional to 106,307.92, 146,659.36 and 68,058.08 is: 93,890.98
Step by Step Solution
- Step 1: Write the proportion equation
106,307.92 : 146,659.36 = 68,058.08 : x - Step 2: Convert to fraction form
106,307.92/146,659.36 = 68,058.08/x - Step 3: Cross multiply
106,307.92x = 146,659.36 × 68,058.08 - Step 4: Simplify right side
106,307.92x = 9,981,354,455.63 - Step 5: Solve for x
x = 9,981,354,455.63/106,307.92 - Step 6: Final answer
x = 93,890.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.