Finding the Fourth Proportional to 114,023.98, 157,352.70 and 63,722.98
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Solution
The fourth proportional to 114,023.98, 157,352.70 and 63,722.98 is: 87,937.49
Step by Step Solution
- Step 1: Write the proportion equation
114,023.98 : 157,352.70 = 63,722.98 : x - Step 2: Convert to fraction form
114,023.98/157,352.70 = 63,722.98/x - Step 3: Cross multiply
114,023.98x = 157,352.70 × 63,722.98 - Step 4: Simplify right side
114,023.98x = 10,026,982,955.05 - Step 5: Solve for x
x = 10,026,982,955.05/114,023.98 - Step 6: Final answer
x = 87,937.49
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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.