Finding the Fourth Proportional to 122,340.06, 168,794.57 and 71,355.02
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Solution
The fourth proportional to 122,340.06, 168,794.57 and 71,355.02 is: 98,449.68
Step by Step Solution
- Step 1: Write the proportion equation
122,340.06 : 168,794.57 = 71,355.02 : x - Step 2: Convert to fraction form
122,340.06/168,794.57 = 71,355.02/x - Step 3: Cross multiply
122,340.06x = 168,794.57 × 71,355.02 - Step 4: Simplify right side
122,340.06x = 12,044,339,252.66 - Step 5: Solve for x
x = 12,044,339,252.66/122,340.06 - Step 6: Final answer
x = 98,449.68
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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.