Finding the Fourth Proportional to 107,908.20, 161,862.30 and 101,341.80
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Solution
The fourth proportional to 107,908.20, 161,862.30 and 101,341.80 is: 152,012.70
Step by Step Solution
- Step 1: Write the proportion equation
107,908.20 : 161,862.30 = 101,341.80 : x - Step 2: Convert to fraction form
107,908.20/161,862.30 = 101,341.80/x - Step 3: Cross multiply
107,908.20x = 161,862.30 × 101,341.80 - Step 4: Simplify right side
107,908.20x = 16,403,416,834.14 - Step 5: Solve for x
x = 16,403,416,834.14/107,908.20 - Step 6: Final answer
x = 152,012.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.