Finding the Fourth Proportional to 97,423.70, 146,135.55 and 74,095.70
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Solution
The fourth proportional to 97,423.70, 146,135.55 and 74,095.70 is: 111,143.55
Step by Step Solution
- Step 1: Write the proportion equation
97,423.70 : 146,135.55 = 74,095.70 : x - Step 2: Convert to fraction form
97,423.70/146,135.55 = 74,095.70/x - Step 3: Cross multiply
97,423.70x = 146,135.55 × 74,095.70 - Step 4: Simplify right side
97,423.70x = 10,828,015,872.14 - Step 5: Solve for x
x = 10,828,015,872.14/97,423.70 - Step 6: Final answer
x = 111,143.55
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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.