Finding the Fourth Proportional to 122,950.64, 169,670.24 and 69,240.96
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Solution
The fourth proportional to 122,950.64, 169,670.24 and 69,240.96 is: 95,551.60
Step by Step Solution
- Step 1: Write the proportion equation
122,950.64 : 169,670.24 = 69,240.96 : x - Step 2: Convert to fraction form
122,950.64/169,670.24 = 69,240.96/x - Step 3: Cross multiply
122,950.64x = 169,670.24 × 69,240.96 - Step 4: Simplify right side
122,950.64x = 11,748,130,301.03 - Step 5: Solve for x
x = 11,748,130,301.03/122,950.64 - Step 6: Final answer
x = 95,551.60
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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.