Finding the Fourth Proportional to 139,924.26, 193,123.04 and 97,458.19
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Solution
The fourth proportional to 139,924.26, 193,123.04 and 97,458.19 is: 134,511.49
Step by Step Solution
- Step 1: Write the proportion equation
139,924.26 : 193,123.04 = 97,458.19 : x - Step 2: Convert to fraction form
139,924.26/193,123.04 = 97,458.19/x - Step 3: Cross multiply
139,924.26x = 193,123.04 × 97,458.19 - Step 4: Simplify right side
139,924.26x = 18,821,420,955.60 - Step 5: Solve for x
x = 18,821,420,955.60/139,924.26 - Step 6: Final answer
x = 134,511.49
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1.5x scale
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.