Finding the Fourth Proportional to 106,447.40, 159,671.10 and 97,845.80
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Solution
The fourth proportional to 106,447.40, 159,671.10 and 97,845.80 is: 146,768.70
Step by Step Solution
- Step 1: Write the proportion equation
106,447.40 : 159,671.10 = 97,845.80 : x - Step 2: Convert to fraction form
106,447.40/159,671.10 = 97,845.80/x - Step 3: Cross multiply
106,447.40x = 159,671.10 × 97,845.80 - Step 4: Simplify right side
106,447.40x = 15,623,146,516.38 - Step 5: Solve for x
x = 15,623,146,516.38/106,447.40 - Step 6: Final answer
x = 146,768.70
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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.