Finding the Fourth Proportional to 132,811.10, 199,216.65 and 97,381.70
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Solution
The fourth proportional to 132,811.10, 199,216.65 and 97,381.70 is: 146,072.55
Step by Step Solution
- Step 1: Write the proportion equation
132,811.10 : 199,216.65 = 97,381.70 : x - Step 2: Convert to fraction form
132,811.10/199,216.65 = 97,381.70/x - Step 3: Cross multiply
132,811.10x = 199,216.65 × 97,381.70 - Step 4: Simplify right side
132,811.10x = 19,400,056,045.31 - Step 5: Solve for x
x = 19,400,056,045.31/132,811.10 - Step 6: Final answer
x = 146,072.55
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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.