Finding the Fourth Proportional to 102,035.88, 153,157.50 and 72,487.08
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Solution
The fourth proportional to 102,035.88, 153,157.50 and 72,487.08 is: 108,804.28
Step by Step Solution
- Step 1: Write the proportion equation
102,035.88 : 153,157.50 = 72,487.08 : x - Step 2: Convert to fraction form
102,035.88/153,157.50 = 72,487.08/x - Step 3: Cross multiply
102,035.88x = 153,157.50 × 72,487.08 - Step 4: Simplify right side
102,035.88x = 11,101,939,955.10 - Step 5: Solve for x
x = 11,101,939,955.10/102,035.88 - Step 6: Final answer
x = 108,804.28
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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.