Finding the Fourth Proportional to 122,955.24, 169,676.52 and 69,240.88
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Solution
The fourth proportional to 122,955.24, 169,676.52 and 69,240.88 is: 95,551.45
Step by Step Solution
- Step 1: Write the proportion equation
122,955.24 : 169,676.52 = 69,240.88 : x - Step 2: Convert to fraction form
122,955.24/169,676.52 = 69,240.88/x - Step 3: Cross multiply
122,955.24x = 169,676.52 × 69,240.88 - Step 4: Simplify right side
122,955.24x = 11,748,551,560.14 - Step 5: Solve for x
x = 11,748,551,560.14/122,955.24 - Step 6: Final answer
x = 95,551.45
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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.