Finding the Fourth Proportional to 101,053.44, 151,125.12 and 77,368.32
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Solution
The fourth proportional to 101,053.44, 151,125.12 and 77,368.32 is: 115,704.09
Step by Step Solution
- Step 1: Write the proportion equation
101,053.44 : 151,125.12 = 77,368.32 : x - Step 2: Convert to fraction form
101,053.44/151,125.12 = 77,368.32/x - Step 3: Cross multiply
101,053.44x = 151,125.12 × 77,368.32 - Step 4: Simplify right side
101,053.44x = 11,692,296,644.20 - Step 5: Solve for x
x = 11,692,296,644.20/101,053.44 - Step 6: Final answer
x = 115,704.09
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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.