Finding the Fourth Proportional to 101,800.36, 152,710.26 and 31,660.84
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Solution
The fourth proportional to 101,800.36, 152,710.26 and 31,660.84 is: 47,494.28
Step by Step Solution
- Step 1: Write the proportion equation
101,800.36 : 152,710.26 = 31,660.84 : x - Step 2: Convert to fraction form
101,800.36/152,710.26 = 31,660.84/x - Step 3: Cross multiply
101,800.36x = 152,710.26 × 31,660.84 - Step 4: Simplify right side
101,800.36x = 4,834,935,108.22 - Step 5: Solve for x
x = 4,834,935,108.22/101,800.36 - Step 6: Final answer
x = 47,494.28
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1.5x scale
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.