Finding the Fourth Proportional to 147,810.63, 203,978.91 and 84,148.44
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Solution
The fourth proportional to 147,810.63, 203,978.91 and 84,148.44 is: 116,124.98
Step by Step Solution
- Step 1: Write the proportion equation
147,810.63 : 203,978.91 = 84,148.44 : x - Step 2: Convert to fraction form
147,810.63/203,978.91 = 84,148.44/x - Step 3: Cross multiply
147,810.63x = 203,978.91 × 84,148.44 - Step 4: Simplify right side
147,810.63x = 17,164,507,069.40 - Step 5: Solve for x
x = 17,164,507,069.40/147,810.63 - Step 6: Final answer
x = 116,124.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.