Finding the Fourth Proportional to 97,423.20, 146,134.80 and 61,993.80
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Solution
The fourth proportional to 97,423.20, 146,134.80 and 61,993.80 is: 92,990.70
Step by Step Solution
- Step 1: Write the proportion equation
97,423.20 : 146,134.80 = 61,993.80 : x - Step 2: Convert to fraction form
97,423.20/146,134.80 = 61,993.80/x - Step 3: Cross multiply
97,423.20x = 146,134.80 × 61,993.80 - Step 4: Simplify right side
97,423.20x = 9,059,451,564.24 - Step 5: Solve for x
x = 9,059,451,564.24/97,423.20 - Step 6: Final answer
x = 92,990.70
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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.