Finding the Fourth Proportional to 134,998.36, 186,294.16 and 74,567.70
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Solution
The fourth proportional to 134,998.36, 186,294.16 and 74,567.70 is: 102,901.45
Step by Step Solution
- Step 1: Write the proportion equation
134,998.36 : 186,294.16 = 74,567.70 : x - Step 2: Convert to fraction form
134,998.36/186,294.16 = 74,567.70/x - Step 3: Cross multiply
134,998.36x = 186,294.16 × 74,567.70 - Step 4: Simplify right side
134,998.36x = 13,891,526,661.79 - Step 5: Solve for x
x = 13,891,526,661.79/134,998.36 - Step 6: Final answer
x = 102,901.45
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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.