Finding the Fourth Proportional to 122,317.99, 168,727.14 and 76,923.97
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Solution
The fourth proportional to 122,317.99, 168,727.14 and 76,923.97 is: 106,110.00
Step by Step Solution
- Step 1: Write the proportion equation
122,317.99 : 168,727.14 = 76,923.97 : x - Step 2: Convert to fraction form
122,317.99/168,727.14 = 76,923.97/x - Step 3: Cross multiply
122,317.99x = 168,727.14 × 76,923.97 - Step 4: Simplify right side
122,317.99x = 12,979,161,455.55 - Step 5: Solve for x
x = 12,979,161,455.55/122,317.99 - Step 6: Final answer
x = 106,110.00
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1.5x scale
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.