Finding the Fourth Proportional to 121,305.24, 167,410.83 and 66,867.07
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Solution
The fourth proportional to 121,305.24, 167,410.83 and 66,867.07 is: 92,281.85
Step by Step Solution
- Step 1: Write the proportion equation
121,305.24 : 167,410.83 = 66,867.07 : x - Step 2: Convert to fraction form
121,305.24/167,410.83 = 66,867.07/x - Step 3: Cross multiply
121,305.24x = 167,410.83 × 66,867.07 - Step 4: Simplify right side
121,305.24x = 11,194,271,688.37 - Step 5: Solve for x
x = 11,194,271,688.37/121,305.24 - Step 6: Final answer
x = 92,281.85
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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.