Finding the Fourth Proportional to 122,648.99, 169,269.65 and 68,206.66
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Solution
The fourth proportional to 122,648.99, 169,269.65 and 68,206.66 is: 94,133.00
Step by Step Solution
- Step 1: Write the proportion equation
122,648.99 : 169,269.65 = 68,206.66 : x - Step 2: Convert to fraction form
122,648.99/169,269.65 = 68,206.66/x - Step 3: Cross multiply
122,648.99x = 169,269.65 × 68,206.66 - Step 4: Simplify right side
122,648.99x = 11,545,316,957.44 - Step 5: Solve for x
x = 11,545,316,957.44/122,648.99 - Step 6: Final answer
x = 94,133.00
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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.