Finding the Fourth Proportional to 122,586.36, 169,186.23 and 68,875.53
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Solution
The fourth proportional to 122,586.36, 169,186.23 and 68,875.53 is: 95,057.81
Step by Step Solution
- Step 1: Write the proportion equation
122,586.36 : 169,186.23 = 68,875.53 : x - Step 2: Convert to fraction form
122,586.36/169,186.23 = 68,875.53/x - Step 3: Cross multiply
122,586.36x = 169,186.23 × 68,875.53 - Step 4: Simplify right side
122,586.36x = 11,652,791,259.95 - Step 5: Solve for x
x = 11,652,791,259.95/122,586.36 - Step 6: Final answer
x = 95,057.81
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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.