Finding the Fourth Proportional to 122,763.94, 168,679.99 and 97,569.70
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Solution
The fourth proportional to 122,763.94, 168,679.99 and 97,569.70 is: 134,062.62
Step by Step Solution
- Step 1: Write the proportion equation
122,763.94 : 168,679.99 = 97,569.70 : x - Step 2: Convert to fraction form
122,763.94/168,679.99 = 97,569.70/x - Step 3: Cross multiply
122,763.94x = 168,679.99 × 97,569.70 - Step 4: Simplify right side
122,763.94x = 16,458,056,020.30 - Step 5: Solve for x
x = 16,458,056,020.30/122,763.94 - Step 6: Final answer
x = 134,062.62
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.