Finding the Fourth Proportional to 136,795.12, 205,264.91 and 97,070.80
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Solution
The fourth proportional to 136,795.12, 205,264.91 and 97,070.80 is: 145,657.45
Step by Step Solution
- Step 1: Write the proportion equation
136,795.12 : 205,264.91 = 97,070.80 : x - Step 2: Convert to fraction form
136,795.12/205,264.91 = 97,070.80/x - Step 3: Cross multiply
136,795.12x = 205,264.91 × 97,070.80 - Step 4: Simplify right side
136,795.12x = 19,925,229,025.63 - Step 5: Solve for x
x = 19,925,229,025.63/136,795.12 - Step 6: Final answer
x = 145,657.45
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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.