Finding the Fourth Proportional to 125,035.18, 187,959.18 and 100,345.77
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Solution
The fourth proportional to 125,035.18, 187,959.18 and 100,345.77 is: 150,844.82
Step by Step Solution
- Step 1: Write the proportion equation
125,035.18 : 187,959.18 = 100,345.77 : x - Step 2: Convert to fraction form
125,035.18/187,959.18 = 100,345.77/x - Step 3: Cross multiply
125,035.18x = 187,959.18 × 100,345.77 - Step 4: Simplify right side
125,035.18x = 18,860,909,021.97 - Step 5: Solve for x
x = 18,860,909,021.97/125,035.18 - Step 6: Final answer
x = 150,844.82
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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.