Finding the Fourth Proportional to 101,223.19, 151,926.93 and 53,878.05
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Solution
The fourth proportional to 101,223.19, 151,926.93 and 53,878.05 is: 80,866.12
Step by Step Solution
- Step 1: Write the proportion equation
101,223.19 : 151,926.93 = 53,878.05 : x - Step 2: Convert to fraction form
101,223.19/151,926.93 = 53,878.05/x - Step 3: Cross multiply
101,223.19x = 151,926.93 × 53,878.05 - Step 4: Simplify right side
101,223.19x = 8,185,525,971.25 - Step 5: Solve for x
x = 8,185,525,971.25/101,223.19 - Step 6: Final answer
x = 80,866.12
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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.