Finding the Fourth Proportional to 153,701.44, 212,146.01 and 104,724.07
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Solution
The fourth proportional to 153,701.44, 212,146.01 and 104,724.07 is: 144,545.12
Step by Step Solution
- Step 1: Write the proportion equation
153,701.44 : 212,146.01 = 104,724.07 : x - Step 2: Convert to fraction form
153,701.44/212,146.01 = 104,724.07/x - Step 3: Cross multiply
153,701.44x = 212,146.01 × 104,724.07 - Step 4: Simplify right side
153,701.44x = 22,216,793,205.76 - Step 5: Solve for x
x = 22,216,793,205.76/153,701.44 - Step 6: Final answer
x = 144,545.12
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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.