Finding the Fourth Proportional to 136,811.70, 205,289.64 and 97,087.23
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Solution
The fourth proportional to 136,811.70, 205,289.64 and 97,087.23 is: 145,682.00
Step by Step Solution
- Step 1: Write the proportion equation
136,811.70 : 205,289.64 = 97,087.23 : x - Step 2: Convert to fraction form
136,811.70/205,289.64 = 97,087.23/x - Step 3: Cross multiply
136,811.70x = 205,289.64 × 97,087.23 - Step 4: Simplify right side
136,811.70x = 19,931,002,495.30 - Step 5: Solve for x
x = 19,931,002,495.30/136,811.70 - Step 6: Final answer
x = 145,682.00
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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.