Finding the Fourth Proportional to 133,348.93, 183,871.87 and 84,874.08
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Solution
The fourth proportional to 133,348.93, 183,871.87 and 84,874.08 is: 117,030.98
Step by Step Solution
- Step 1: Write the proportion equation
133,348.93 : 183,871.87 = 84,874.08 : x - Step 2: Convert to fraction form
133,348.93/183,871.87 = 84,874.08/x - Step 3: Cross multiply
133,348.93x = 183,871.87 × 84,874.08 - Step 4: Simplify right side
133,348.93x = 15,605,955,804.13 - Step 5: Solve for x
x = 15,605,955,804.13/133,348.93 - Step 6: Final answer
x = 117,030.98
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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.