Finding the Fourth Proportional to 130,363.44, 180,006.18 and 104,787.84
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Solution
The fourth proportional to 130,363.44, 180,006.18 and 104,787.84 is: 144,691.32
Step by Step Solution
- Step 1: Write the proportion equation
130,363.44 : 180,006.18 = 104,787.84 : x - Step 2: Convert to fraction form
130,363.44/180,006.18 = 104,787.84/x - Step 3: Cross multiply
130,363.44x = 180,006.18 × 104,787.84 - Step 4: Simplify right side
130,363.44x = 18,862,458,788.85 - Step 5: Solve for x
x = 18,862,458,788.85/130,363.44 - Step 6: Final answer
x = 144,691.32
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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.