Finding the Fourth Proportional to 105,801.94, 158,703.84 and 26,916.26
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Solution
The fourth proportional to 105,801.94, 158,703.84 and 26,916.26 is: 40,374.63
Step by Step Solution
- Step 1: Write the proportion equation
105,801.94 : 158,703.84 = 26,916.26 : x - Step 2: Convert to fraction form
105,801.94/158,703.84 = 26,916.26/x - Step 3: Cross multiply
105,801.94x = 158,703.84 × 26,916.26 - Step 4: Simplify right side
105,801.94x = 4,271,713,820.44 - Step 5: Solve for x
x = 4,271,713,820.44/105,801.94 - Step 6: Final answer
x = 40,374.63
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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.