Finding the Fourth Proportional to 116,562.98, 160,851.04 and 68,807.09
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Solution
The fourth proportional to 116,562.98, 160,851.04 and 68,807.09 is: 94,950.32
Step by Step Solution
- Step 1: Write the proportion equation
116,562.98 : 160,851.04 = 68,807.09 : x - Step 2: Convert to fraction form
116,562.98/160,851.04 = 68,807.09/x - Step 3: Cross multiply
116,562.98x = 160,851.04 × 68,807.09 - Step 4: Simplify right side
116,562.98x = 11,067,692,215.98 - Step 5: Solve for x
x = 11,067,692,215.98/116,562.98 - Step 6: Final answer
x = 94,950.32
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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.