Finding the Fourth Proportional to 122,952.21, 169,655.25 and 69,235.85
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Solution
The fourth proportional to 122,952.21, 169,655.25 and 69,235.85 is: 95,534.88
Step by Step Solution
- Step 1: Write the proportion equation
122,952.21 : 169,655.25 = 69,235.85 : x - Step 2: Convert to fraction form
122,952.21/169,655.25 = 69,235.85/x - Step 3: Cross multiply
122,952.21x = 169,655.25 × 69,235.85 - Step 4: Simplify right side
122,952.21x = 11,746,224,592.44 - Step 5: Solve for x
x = 11,746,224,592.44/122,952.21 - Step 6: Final answer
x = 95,534.88
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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.