Finding the Fourth Proportional to 107,612.60, 161,271.23 and 68,098.98
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Solution
The fourth proportional to 107,612.60, 161,271.23 and 68,098.98 is: 102,055.02
Step by Step Solution
- Step 1: Write the proportion equation
107,612.60 : 161,271.23 = 68,098.98 : x - Step 2: Convert to fraction form
107,612.60/161,271.23 = 68,098.98/x - Step 3: Cross multiply
107,612.60x = 161,271.23 × 68,098.98 - Step 4: Simplify right side
107,612.60x = 10,982,406,436.59 - Step 5: Solve for x
x = 10,982,406,436.59/107,612.60 - Step 6: Final answer
x = 102,055.02
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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.