Finding the Fourth Proportional to 122,024.26, 168,396.33 and 68,307.94
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Solution
The fourth proportional to 122,024.26, 168,396.33 and 68,307.94 is: 94,266.55
Step by Step Solution
- Step 1: Write the proportion equation
122,024.26 : 168,396.33 = 68,307.94 : x - Step 2: Convert to fraction form
122,024.26/168,396.33 = 68,307.94/x - Step 3: Cross multiply
122,024.26x = 168,396.33 × 68,307.94 - Step 4: Simplify right side
122,024.26x = 11,502,806,405.86 - Step 5: Solve for x
x = 11,502,806,405.86/122,024.26 - Step 6: Final answer
x = 94,266.55
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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.