Finding the Fourth Proportional to 113,905.84, 157,263.96 and 101,948.44
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Solution
The fourth proportional to 113,905.84, 157,263.96 and 101,948.44 is: 140,754.99
Step by Step Solution
- Step 1: Write the proportion equation
113,905.84 : 157,263.96 = 101,948.44 : x - Step 2: Convert to fraction form
113,905.84/157,263.96 = 101,948.44/x - Step 3: Cross multiply
113,905.84x = 157,263.96 × 101,948.44 - Step 4: Simplify right side
113,905.84x = 16,032,815,390.22 - Step 5: Solve for x
x = 16,032,815,390.22/113,905.84 - Step 6: Final answer
x = 140,754.99
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1.5x scale
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.