Finding the Fourth Proportional to 113,894.88, 157,248.88 and 101,937.44
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Solution
The fourth proportional to 113,894.88, 157,248.88 and 101,937.44 is: 140,739.85
Step by Step Solution
- Step 1: Write the proportion equation
113,894.88 : 157,248.88 = 101,937.44 : x - Step 2: Convert to fraction form
113,894.88/157,248.88 = 101,937.44/x - Step 3: Cross multiply
113,894.88x = 157,248.88 × 101,937.44 - Step 4: Simplify right side
113,894.88x = 16,029,548,270.07 - Step 5: Solve for x
x = 16,029,548,270.07/113,894.88 - Step 6: Final answer
x = 140,739.85
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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.