Finding the Fourth Proportional to 110,982.58, 153,147.99 and 68,541.82
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Solution
The fourth proportional to 110,982.58, 153,147.99 and 68,541.82 is: 94,582.79
Step by Step Solution
- Step 1: Write the proportion equation
110,982.58 : 153,147.99 = 68,541.82 : x - Step 2: Convert to fraction form
110,982.58/153,147.99 = 68,541.82/x - Step 3: Cross multiply
110,982.58x = 153,147.99 × 68,541.82 - Step 4: Simplify right side
110,982.58x = 10,497,041,963.94 - Step 5: Solve for x
x = 10,497,041,963.94/110,982.58 - Step 6: Final answer
x = 94,582.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.