Finding the Fourth Proportional to 136,795.25, 205,265.10 and 97,070.94
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Solution
The fourth proportional to 136,795.25, 205,265.10 and 97,070.94 is: 145,657.66
Step by Step Solution
- Step 1: Write the proportion equation
136,795.25 : 205,265.10 = 97,070.94 : x - Step 2: Convert to fraction form
136,795.25/205,265.10 = 97,070.94/x - Step 3: Cross multiply
136,795.25x = 205,265.10 × 97,070.94 - Step 4: Simplify right side
136,795.25x = 19,925,276,206.19 - Step 5: Solve for x
x = 19,925,276,206.19/136,795.25 - Step 6: Final answer
x = 145,657.66
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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.