Finding the Fourth Proportional to 155,711.03, 214,881.23 and 84,091.06
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Solution
The fourth proportional to 155,711.03, 214,881.23 and 84,091.06 is: 116,045.67
Step by Step Solution
- Step 1: Write the proportion equation
155,711.03 : 214,881.23 = 84,091.06 : x - Step 2: Convert to fraction form
155,711.03/214,881.23 = 84,091.06/x - Step 3: Cross multiply
155,711.03x = 214,881.23 × 84,091.06 - Step 4: Simplify right side
155,711.03x = 18,069,590,647.13 - Step 5: Solve for x
x = 18,069,590,647.13/155,711.03 - Step 6: Final answer
x = 116,045.67
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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.