Finding the Fourth Proportional to 107,053.20, 160,579.80 and 97,211.70
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Solution
The fourth proportional to 107,053.20, 160,579.80 and 97,211.70 is: 145,817.55
Step by Step Solution
- Step 1: Write the proportion equation
107,053.20 : 160,579.80 = 97,211.70 : x - Step 2: Convert to fraction form
107,053.20/160,579.80 = 97,211.70/x - Step 3: Cross multiply
107,053.20x = 160,579.80 × 97,211.70 - Step 4: Simplify right side
107,053.20x = 15,610,235,343.66 - Step 5: Solve for x
x = 15,610,235,343.66/107,053.20 - Step 6: Final answer
x = 145,817.55
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1.5x scale
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.