Finding the Fourth Proportional to 148,126.18, 204,201.49 and 105,610.90
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Solution
The fourth proportional to 148,126.18, 204,201.49 and 105,610.90 is: 145,591.44
Step by Step Solution
- Step 1: Write the proportion equation
148,126.18 : 204,201.49 = 105,610.90 : x - Step 2: Convert to fraction form
148,126.18/204,201.49 = 105,610.90/x - Step 3: Cross multiply
148,126.18x = 204,201.49 × 105,610.90 - Step 4: Simplify right side
148,126.18x = 21,565,903,140.24 - Step 5: Solve for x
x = 21,565,903,140.24/148,126.18 - Step 6: Final answer
x = 145,591.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.