Finding the Fourth Proportional to 122,010.67, 168,374.73 and 68,295.70
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Solution
The fourth proportional to 122,010.67, 168,374.73 and 68,295.70 is: 94,248.07
Step by Step Solution
- Step 1: Write the proportion equation
122,010.67 : 168,374.73 = 68,295.70 : x - Step 2: Convert to fraction form
122,010.67/168,374.73 = 68,295.70/x - Step 3: Cross multiply
122,010.67x = 168,374.73 × 68,295.70 - Step 4: Simplify right side
122,010.67x = 11,499,270,047.66 - Step 5: Solve for x
x = 11,499,270,047.66/122,010.67 - Step 6: Final answer
x = 94,248.07
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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.