Finding the Fourth Proportional to 122,319.36, 168,808.50 and 67,873.68
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Solution
The fourth proportional to 122,319.36, 168,808.50 and 67,873.68 is: 93,670.00
Step by Step Solution
- Step 1: Write the proportion equation
122,319.36 : 168,808.50 = 67,873.68 : x - Step 2: Convert to fraction form
122,319.36/168,808.50 = 67,873.68/x - Step 3: Cross multiply
122,319.36x = 168,808.50 × 67,873.68 - Step 4: Simplify right side
122,319.36x = 11,457,654,110.28 - Step 5: Solve for x
x = 11,457,654,110.28/122,319.36 - Step 6: Final answer
x = 93,670.00
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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.