Finding the Fourth Proportional to 122,602.42, 169,195.74 and 68,886.40
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Solution
The fourth proportional to 122,602.42, 169,195.74 and 68,886.40 is: 95,065.70
Step by Step Solution
- Step 1: Write the proportion equation
122,602.42 : 169,195.74 = 68,886.40 : x - Step 2: Convert to fraction form
122,602.42/169,195.74 = 68,886.40/x - Step 3: Cross multiply
122,602.42x = 169,195.74 × 68,886.40 - Step 4: Simplify right side
122,602.42x = 11,655,285,423.94 - Step 5: Solve for x
x = 11,655,285,423.94/122,602.42 - Step 6: Final answer
x = 95,065.70
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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.