Finding the Fourth Proportional to 99,203.01, 136,893.08 and 56,170.14
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Solution
The fourth proportional to 99,203.01, 136,893.08 and 56,170.14 is: 77,510.79
Step by Step Solution
- Step 1: Write the proportion equation
99,203.01 : 136,893.08 = 56,170.14 : x - Step 2: Convert to fraction form
99,203.01/136,893.08 = 56,170.14/x - Step 3: Cross multiply
99,203.01x = 136,893.08 × 56,170.14 - Step 4: Simplify right side
99,203.01x = 7,689,303,187.78 - Step 5: Solve for x
x = 7,689,303,187.78/99,203.01 - Step 6: Final answer
x = 77,510.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.