Finding the Fourth Proportional to 117,364.08, 161,998.20 and 93,653.76
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Solution
The fourth proportional to 117,364.08, 161,998.20 and 93,653.76 is: 129,270.73
Step by Step Solution
- Step 1: Write the proportion equation
117,364.08 : 161,998.20 = 93,653.76 : x - Step 2: Convert to fraction form
117,364.08/161,998.20 = 93,653.76/x - Step 3: Cross multiply
117,364.08x = 161,998.20 × 93,653.76 - Step 4: Simplify right side
117,364.08x = 15,171,740,543.23 - Step 5: Solve for x
x = 15,171,740,543.23/117,364.08 - Step 6: Final answer
x = 129,270.73
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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.